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Peripheral Neuropathy


🤍 - This 3D medical animation on peripheral neuropathy describes the anatomy and physiology of peripheral nerves. It shows the causes and symptoms of two types of peripheral neuropathy: mononeuropathy which is damage to a single nerve, and polyneuropathy which involves multiple nerves. This animation also lists treatments for peripheral neuropathy. Interested in more? Watch our carpal tunnel animation: 🤍 #PeripheralNeuropathy #Mononeuropathy #Polyneuropathy ANH11054

Peripheral Nervous System: Crash Course Anatomy & Physiology #12


It is now time to meet the system that helps your brain stay in touch with the outside world. We follow up last week's tour of the central nervous system with a look at your peripheral nervous system, its afferent and efferent divisions, how it processes information, the reflex arc, and what your brain has to say about pain. Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: 🤍 Download it here for Android Devices: 🤍 Chapters: Introduction: Peripheral Nervous System 00:00 Sensory Nerve Receptors: Thermoreceptors, Photoreceptors, Chemoreceptors, Mechanoreceptors, and Nociceptors 0:56 What is Pain? 1:54 How Pain is Processed 2:51 Pain Threshold vs Pain Tolerance 3:50 How the Brain Processes Pain 4:25 Afferent and Efferent Divisions 5:42 Five Steps of the Reflex Arc 6:38 What the Brain Says About Pain 8:09 Review 9:09 Credits 9:39 * Crash Course is on Patreon! You can support us directly by signing up at 🤍 Want to find Crash Course elsewhere on the internet? Facebook - 🤍 Twitter - 🤍 Instagram - 🤍 CC Kids: 🤍 *SUPPORTER THANK YOU!* Thank you so much to all of our awesome supporters for their contributions to help make Crash Course possible and freely available for everyone forever: Dan Rajan Josh Greenberg 🤍wordlessrage Tanmay Sheth Chriztopher North Teodora Miclaus Jessica Baker Julie Anne Mathieu Moti Lieberman Leanne Gover 🤍

Peripheral artery disease: Pathophysiology, Causes, Symptoms, Diagnosis and Treatments, Animation


(USMLE topics) PAD: Pathophysiology, Causes, Signs and symptoms, Complications, Risk factors, Diagnosis and Treatments. This video is available for instant download licensing here: 🤍 Voice by: Ashley Fleming ©Alila Medical Media. All rights reserved. Support us on Patreon and get early access to videos and free image downloads: All images/videos by Alila Medical Media are for information purposes ONLY and are NOT intended to replace professional medical advice, diagnosis or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition. Peripheral artery disease, PAD, is a common circulatory condition in which peripheral arteries are narrowed, reducing blood flow. While PAD can occur in any organ or body part, the lower limbs are the most commonly affected. The major cause of PAD is the building up of plaques in arteries, known as atherosclerosis. Plaques are deposits of lipids, fibrous tissue and calcium, that accumulate slowly overtime. Less commonly, an artery may suddenly be blocked by a blood clot, or embolus. Rarer causes include blood vessel inflammation, injury, or unusual anatomy of ligaments or muscles. The impact of reduced blood flow, or ischemia, is most remarkable when there is a higher demand for blood supply, such as during physical activities. This is why people who are not very active may not experience any symptoms initially. It also explains the most tell-tale sign of PAD, known as intermittent claudication - a painful or tired feeling in the legs that occurs while walking, but is rapidly relieved by rest. The affected leg and foot may lose color and feel cold, especially when the foot is elevated. There may also be a lack of growth of toenails and hair. The location of pain depends on the site of obstruction. The more proximal the site of blockage, the more widespread the pain. The calf is the most common site of pain. As the disease progresses, patients may experience pain even during rest. This advanced stage is known as critical limb ischemia, a chronic, slow-developing condition. Patients may develop ulcers that heal slowly or not at all; and death of tissue, or gangrene, may occur. The risk for loss of limb is significantly increased at this stage. Acute limb ischemia happens when there is a sudden block of blood flow, typically due to an embolism or thrombosis. Acute limb ischemia is an emergency threatening loss of limb. Any factors that increase risks for atherosclerosis also increase risks for PAD. Because atherosclerosis can affect any artery in the body, PAD patients are also likely to have coronary artery disease or carotid artery disease. Diagnosis is based on symptoms, medical history, physical exam, and a number of tests. The purpose of the physical exam is to look for signs such as weak pulses, whooshing sounds of obstructed blood flow, and evidence of poor wound healing. Blood tests are done to evaluate cholesterol, triglyceride, and blood sugar levels. Ankle-brachial index test, or ABI test, is commonly performed to compare blood pressures in the ankle and the arm. An ABI lower than 0.9 indicates PAD. Imaging procedures may be performed to identify the affected arteries. Treatments aim to relieve symptoms, re-establish blood flow to reduce risk of losing a limb, and stop progression of atherosclerosis to lower risk of heart attack and strokes. Treatment options include lifestyle changes, exercise programs, medications, and/or procedures to open or bypass blockages in the arteries.

PAD vs PVI cartoon animation & memory tricks peripheral arterial disease pathophysiology, signs


*SUBSCRIBE WITHIN THE NEXT 28 DAYS FOR A CHANCE TO WIN $1,000!* Did you know only 20% of our video content is on YouTube? Try out our membership for FREE today! → 🤍 Try our NCLEX Prep FREE → 🤍 Head to 🤍 to get access to the other 80%, along with 800+ study guides, customizable quiz banks with 3,000+ test-prep questions, and answer rationales! PAD vs PVD: Explained Peripheral vascular disease is the scarring and narrowing of the peripheral blood vessels, commonly found in the extremities, wherein the passageways become small and stiff, hindering adequate flow of blood. Peripheral vascular disease is an umbrella term created to describe conditions pertaining to both veins and arteries. This term has caused confusion to a lot of nursing students because there is another kind of PVD which stands for peripheral venous disease, which specifically pertains to only the veins, not including the arteries. This will be explained thoroughly in this video. Study the fun and fast way, while retaining more and grasping key concepts to get more prepared for your NCLEX & Exams. Sign up for a free trial at 🤍 PAD vs PVD: Pathophysiology Between PAD and PVD, PAD is considered to be more serious in nature because it does not allow oxygen to go through, which means, there is decreased oxygen going to the extremities, resulting to ischemia and necrosis. PAD vs PVD: Signs and Symptoms PAD signs and symptoms will have the acronym, ARTS; while PVD will have the acronym, VEINY. Aside from that, there are 6 P’s, two of which always comes out of the NCLEX. To find out more on what these acronyms stand for and what the P’s are, check this video out. Nursing School Membership - Try it FREE → 🤍 New NCLEX Prep - Try it FREE → 🤍 Popular Playlists: NCLEX Fluid & Electrolytes: 🤍 Heart Failure (CHF): 🤍 Myocardial Infarction (MI): 🤍 Addison’s vs. Cushing: 🤍 Diabetes Mellitus & DKA vs HHNS: 🤍 Cardiomyopathy: 🤍 IV Fluids: Hypertonic, Hypotonic & Isotonic: 🤍 SIADH vs Diabetes Insipidus: 🤍 Follow us on social media for more EXCLUSIVE content 👋 More Videos: 🤍 Instagram: 🤍 TikTok: 🤍 Thank you for the support & for tuning in! Remember… don’t be scared, BE PREPARED!

Peripheral Vascular Examination - OSCE Guide (old)


SEE THE NEW VERSION OF THIS VIDEO HERE: 🤍 We've just released a collection of 500+ OSCE Stations! 🙌 🤍 See the written guide alongside the video here 🤍 The ability to carry out a thorough and slick Peripheral Vascular Examination is something every medic needs to master. This video aims to give you an idea of what's required in the OSCE and you can then customise the examination to suit your own personal style. Check out our other awesome clinical skills resources including: - 📱Geeky Medics OSCE App: 🤍 - 📝 150+ OSCE Checklists (PDF): 🤍 - 🗂️ 2000+ OSCE Flashcards: 🤍 - ❓Over 3000 Free MCQs: 🤍 - 🩺 Medical Finals Question Pack: 🤍 - 💊 PSA Question Pack: 🤍 - 🏥 Medicine Flashcard Collection: 🤍 - 🔪 Surgery Flashcard Collection: 🤍 - 🫁 Anatomy Flashcard Collection: 🤍 Chapters: - Introduction 00:00 - General inspection 00:38 - Inspection of hands and arms 00:51 - Assessment of temperature in upper limbs 01:06 - Palpation of capillary refill time and radial pulse 01:15 - Palpation of brachial pulses 01:45 - Palpation of carotid pulses 01:58 - Palpation and auscultation of abdominal aorta 02:30 - Inspection of lower legs and toes 02:53 - Assessment of temperature and capillary refill in lower limbs 03:29 - Palpation and auscultation of femoral pulse 3:50 - Palpation and auscultation of popliteal pulse 04:33 - Palpation of posterior tibial and dorsalis pedis pulses 05:06 - Assessment of lower limb light touch sensation 05:30 - Summary of findings and further investigations 05:50 - Credits 06:10 Subscribe to our newsletter to be the first to know about our latest content: 🤍 ✉️ Join the Geeky Medics community: 👩‍👩‍👧‍👧 Twitter: 🤍 Instagram: 🤍 Facebook: 🤍 Always adhere to your medical school/local hospital guidelines when performing examinations or clinical procedures. DO NOT perform any examination or procedure on patients based purely upon the content of these videos. Geeky Medics accepts no liability for loss of any kind incurred as a result of reliance upon the information provided in this video. Some people have found this video useful for ASMR purposes.

Peripheral neuropathy: Mayo Clinic Radio


On the Mayo Clinic Radio program, Dr. Michelle Mauermann, a Mayo Clinic neurologist, explains peripheral neuropathy, a nerve condition that causes numbness and pain in the hands and feet. This interview originally aired March 7, 2020. Learn more about peripheral neuropathy: 🤍

Peripheral Vascular Examination - OSCE Guide (Old Version)


We've just released a collection of 500+ OSCE Stations! 🙌 🤍 To see the written guide alongside the video head over to our website 🤍 This video aims to give you an idea of what's required in the Peripheral Vascular Examination OSCE. Check out our other awesome clinical skills resources including: - 📱Geeky Medics OSCE App: 🤍 - 📝 150+ OSCE Checklists (PDF): 🤍 - 🗂️ 2000+ OSCE Flashcards: 🤍 - ❓Over 3000 Free MCQs: 🤍 - 🩺 Medical Finals Question Pack: 🤍 - 💊 PSA Question Pack: 🤍 - 🏥 Medicine Flashcard Collection: 🤍 - 🔪 Surgery Flashcard Collection: 🤍 - 🫁 Anatomy Flashcard Collection: 🤍 Chapters: - Introduction 00:00 - General inspection 00:38 - Inspection of upper limbs 00:51 - Palpation of upper limbs 01:17 - Palpation of abdomen 02:00 - Auscultation of abdomen 02:14 - Inspection of lower limbs 02:33 - Palpation of lower limbs 03:23 - Pulses 3:46 - Assessment of lower limb sensation 05:20 - Summary of findings and further investigations 05:57 - Credits 06:17 Subscribe to our newsletter to be the first to know about our latest content: 🤍 ✉️ Join the Geeky Medics community: 👩‍👩‍👧‍👧 Twitter: 🤍 Instagram: 🤍 Facebook: 🤍 Always adhere to your medical school/local hospital guidelines when performing examinations or clinical procedures. DO NOT perform any examination or procedure on patients based purely upon the content of these videos. Geeky Medics accepts no liability for loss of any kind incurred as a result of reliance upon the information provided in this video. Some people have found this video useful for ASMR purposes.

Neurology - Topic - 18 Peripheral neuropathy


Neurology - Topic - 18 Peripheral neuropathy

The Peripheral Nervous System: Nerves and Sensory Organs


We've learned about one main division of the nervous system, the central nervous system, so let's learn about the other. That's the peripheral nervous system. This is the part that receives information from your surroundings and brings it to the brain, and when the brain decides what to do, it sends signals around your body to tell it what to do. This is just as complicated as it sounds, so let's check out all the sensory organs that are involved in making this happens, as well as the nerves that transmit the information! Watch the whole Anatomy & Physiology playlist: 🤍 General Chemistry Tutorials: 🤍 Organic Chemistry Tutorials: 🤍 Biochemistry Tutorials: 🤍 Biology/Genetics Tutorials: 🤍 Biopsychology Tutorials: 🤍 Microbiology/Infectious Diseases Tutorials: 🤍 Pharmacology Tutorials: 🤍 History of Drugs Videos: 🤍 Immunology Tutorials: 🤍 EMAIL► ProfessorDaveExplains🤍 PATREON► 🤍 Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: 🤍 Bookshop: 🤍 Barnes and Noble: 🤍 Book Depository: 🤍

Peripheral nerves: definition, distribution (preview) - Histology | Kenhub


Peripheral nerves are responsible for the communication happening between the brain and muscles. Learn everything about the histology of the peripheral nerves by continuing to watch the full video here: 🤍 Oh, are you struggling with learning anatomy? We got the ★ Ultimate Anatomy Study Guide ★ to help you kick some gluteus maximus in any topic. Completely free. Download yours today: 🤍 The peripheral nervous system includes all spinal and cranial nerve fibers providing end organ innervation. A peripheral nervous system is further subdivided into the somatic and autonomic divisions; the latter of which can either be sympathetic (fight or freight response) or the parasympathetic (rest and relax response). On gross inspection, nerves can be perceived as solitary, solid, white bands. But when looked under a microscope, we can see that each nerve fiber is actually composed of a large number of axons whose cell bodies reside in central or peripheral ganglia, the spinal cord or the brain. On the full version of this video, we will be covering the following points: - overview of the anatomy and histology of peripheral nerves; - longitudinal section of a peripheral nerve; - cross-section of a peripheral nerve; - blood supply and innervation of peripheral nerves; - clinical notes associated to peripheral nerves: peripheral neuropathy. Want to test your knowledge on the histology of the peripheral nerves? Take this quiz: 🤍 Read more on the histology and embryology of the peripheral nerves on this article, which also includes some clinical notes on neuropathies: 🤍 For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to 🤍

Peripheral vascular disease (PVD) - an Osmosis Preview


What is peripheral vascular disease (PVD)? Peripheral vascular disease, sometimes called peripheral artery disease, is used to describe when a blood vessel—besides those supplying the heart or brain—become narrowed. Find our complete video library only on Osmosis Prime: 🤍 Hundreds of thousands of current & future clinicians learn by Osmosis. We have unparalleled tools and materials to prepare you to succeed in school, on board exams, and as a future clinician. Sign up for a free trial at 🤍 Subscribe to our Youtube channel at 🤍 Get early access to our upcoming video releases, practice questions, giveaways, and more when you follow us on social media: Facebook: 🤍 Twitter: 🤍 Instagram: 🤍 Our Vision: Everyone who cares for someone will learn by Osmosis. Our Mission: To empower the world’s clinicians and caregivers with the best learning experience possible. Learn more here: 🤍 Medical disclaimer: Knowledge Diffusion Inc (DBA Osmosis) does not provide medical advice. Osmosis and the content available on Osmosis's properties (, YouTube, and other channels) do not provide a diagnosis or other recommendation for treatment and are not a substitute for the professional judgment of a healthcare professional in diagnosis and treatment of any person or animal. The determination of the need for medical services and the types of healthcare to be provided to a patient are decisions that should be made only by a physician or other licensed health care provider. Always seek the advice of a physician or other qualified healthcare provider with any questions you have regarding a medical condition.

Overview of the Peripheral Nervous System


In this video, Dr Mike explains the somatic and motor divisions of the autonomic nervous system. He outlines the 12 pairs of cranial nerves and their functions, the spinal nerves, and the autonomic nervous system (sympathetic and parasympathetic). Instagram: 🤍drmiketodorovic

Peripheral Vascular Examination - OSCE Guide (NEW)


This video provides an overview of how to perform a Peripheral Vascular Examination in an OSCE station including assessment of key pulses (e.g. radial, brachial, femoral, posterior tibial, dorsalis pedis). Check out the written guide here: 🤍 Check out our other awesome clinical skills resources including: - ✨ 500+ OSCE stations: 🤍 - 📝 150+ PDF OSCE Checklists: 🤍 - 🗂️ 2500+ OSCE Flashcards: 🤍 - 📱Geeky Medics OSCE App: 🤍 - ❓Over 3000 Free MCQs: 🤍 - 🩺Medical Finals Question Pack: 🤍 - 💊PSA Question Pack: 🤍 Chapters: - Introduction 00:00 - General inspection 00:29 - Upper limb pulses 00:39 - Carotid pulse & auscultation 01:33 - Aortic pulse palpation & auscultation 02:07 - Lower limb assessment 02:54 - Femoral pulse 03:44 - Popliteal pulse 04:27 - Posterior tibial pulse 04:39 - Dorsalis pedis pulse 04:47 - Gross sensory assessment 04:59 - Buerger's test 05:22 - Summary 05:59 Subscribe to our newsletter to be the first to know about our latest content: 🤍 ✉️ Join the Geeky Medics community: 👩‍👩‍👧‍👧 Twitter: 🤍 Instagram: 🤍 Facebook: 🤍 Always adhere to your medical school/local hospital guidelines when performing examinations or clinical procedures. DO NOT perform any examination or procedure on patients based purely upon the content of these videos. Geeky Medics accepts no liability for loss of any kind incurred as a result of reliance upon the information provided in this video.

What to Know About Peripheral Artery Disease


Dr. Ravi N. Srinivasa, Associate Professor of Vascular and Interventional Radiology at the David Geffen School of Medicine, guides us through the basics on peripheral artery disease (PAD) and what to do if you have it. PAD is a circulation problem where you don’t receive enough blood flow, often causing leg pain during physical activity. Minimally invasive intervention options can treat PAD in a safe, effective, one-day procedure. Get to know Dr. Srinivasa: 🤍 Book an appointment:310-301-6800 More info: 🤍

Peripheral Resistance and Blood Flow


🤍 - This is an answer to a question that was asked when I did my Anatomy & Physiology Academy on how exactly resistance works when it comes to blood flow. In this video, I explain peripheral resistance in a bit more detail and how there are different factors that are involved in increasing or decreasing Peripheral Reistance

Peripheral Arterial Examination - Clinical Examination


Learn how to systematically asses the peripheral arteries when doing a complete physical exam. Take note of the appropriate areas to palpate from the head (superficial temporal artery) all the way down to the feet (dorsalis pedis), as well as identifying major ascultation locations. Finally, understand how to use these tools to discern stenosis of the peripheral arteries in the upper and lower extremities. Video Index: 0:23 - Pulse Palpation 3:32 - Auscultation Subscribe to AMBOSS YouTube for the latest clinical examination videos, medical student interviews, study tips and tricks, and live webinars! Free 5 Day Trial: 🤍 Instagram: 🤍 Facebook: 🤍 Twitter: 🤍 Blog: 🤍 #AMBOSSMed #ClinicalExamination

Living with peripheral arterial disease


Henry Gibbs is a ballroom dancer, but he was forced to hang up his dancing shoes when a circulation condition, common among older adults, caused him severe leg pain and cramping. He went to the new University of Michigan Multi-Disciplinary Peripheral Arterial Disease Management Program and today, he's back to pain free legs, loving life...and gliding his dancing partner across the floor.

Peripheral Nerve Anatomy: From Roots to Peripheral Nerves


In this video we discuss the anatomy and histology of peripheral nerves, with a focus on how the ultrastructure influences the risk for nerve injury during peripheral nerve block.

Peripheral Arterial Disease for the Internist


Piedmont Heart Grand Rounds: Dr. Andrew Klein presents educational information on peripheral arterial disease (PAD) for internists, cardiologists and vascular medicine specialists. Learn about the significant clinical impact of this prevalent condition.

Peripheral neuropathy symptoms and treatment | Ohio State Medical Center


A common condition seen in general neurology at The Ohio State University Wexner Medical Center is peripheral neuropathy, which is when nerves in the feet don’t work as well as they should. Jordan Bulcher, a physician assistant in general neurology, explains that it may be caused by diabetes or other conditions. Symptoms include cold feet, numbness, tingling or “pins and needles,” balance issues or lightheadedness. If you have questions or would like to make an appointment at Ohio State, call 614-293-8000. Visit The Ohio State University Wexner Medical Center: 🤍 Subscribe to our YouTube channel: 🤍 Like us on Facebook: 🤍 Follow us on Twitter: 🤍 Follow us on Instagram: 🤍 Connect with us on LinkedIn: 🤍

Peripheral Nerve Sliders & Tensioners | Upper Limb Neurodynamics


Enroll in our online course: 🤍 GET OUR ASSESSMENT BOOK ▶︎▶︎ 🤍 ◀︎◀︎ DOWNLOAD OUR APP: 📱 iPhone/iPad: 🤍 🤖 Android: 🤍 🚨 HELP TRANSLATE THIS VIDEO 🚨 If you liked this video, help people in other countries enjoy it too by creating subtitles for it. Spread the love and impact. Here is how to do it: 🤍 The peripheral nerves (median, ulnar, and radial nerve) can easily be visualized using a theratube or similar rubber band. Sliders and tensioners are commonly used in the treatment of nerve related issues after radicular syndrome for example. 👉🏼 SUPPORT THIS CHANNEL 😊 : 🤍 👈🏼 📚 ARTICLES: - Ellis et al. (2008): 🤍 - McKeon et al. (2008): 🤍 Visit our Website: 🤍 Like us on Facebook: 🤍 Follow on Instagram: 🤍 Follow on Twitter: 🤍 Snapchat: 🤍 This is not medical advice! The content is intended to be educational only for health professionals and students. If you are a patient, seek care of a health care professional.

Peripheral somatosensation | Organ Systems | MCAT | Khan Academy


Created by Matthew Barry Jensen. Watch the next lesson: 🤍 Missed the previous lesson? 🤍 MCAT on Khan Academy: Go ahead and practice some passage-based questions! About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s MCAT channel: 🤍 Subscribe to Khan Academy: 🤍

Peripheral Neuropathy


What cancer survivors need to know about peripheral neuropathy. For more information, visit 🤍

Histology of peripheral nerve - Shotgun Histology


►𝐉𝐨𝐢𝐧 𝐓𝐡𝐢𝐬 𝐂𝐡𝐚𝐧𝐧𝐞𝐥 𝐓𝐨 𝐆𝐞𝐭 𝐀𝐜𝐜𝐞𝐬𝐬 𝐓𝐨 𝐏𝐞𝐫𝐤𝐬 :- 🤍 ►𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 𝐭𝐡𝐞 𝐌𝐞𝐝𝐯𝐢𝐳𝐳 𝐚𝐩𝐩 𝐮𝐬𝐢𝐧𝐠 𝐭𝐡𝐞 𝐛𝐞𝐥𝐨𝐰 𝐥𝐢𝐧𝐤 👇👇👇👇 𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 👇👇👇👇 ►𝐀𝐧𝐝𝐫𝐨𝐢𝐝 :- 🤍 📌𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦 :- 🤍 Histology of peripheral nerve - Shotgun Histology Peripheral nerves contain fascicles of nerve fibers consisting of axons. In peripheral nerve fibers, axons are ensheathed by Schwann cells, which may or may not form myelin around the axons, depending on their diameter. Nerve fibers are grouped into fascicles of variable numbers. PERIPHERAL NERVE HISTOLOGY NERVE VS NERVE FIBERS (AXONS) • A peripheral nerve encompasses bundles of nerve fibers (axons) and has various connective tissue coverings (superficial epineurium, perineurium, and endometrium). NERVE COVERINGS - Outside to Inside: Superficial epineurium • Superficial epineurium is the outer covering of the nerve. • It is a supporting coat: a cylindrical, dense connective tissue sheath. Perineurium • Perineurium encases separate nerve fascicles. • It is a mechanically strong sheath that is dense and forms a protective barrier around the nerve fascicle: a blood-nerve barrier. • Perineurium comprises a flattened form of epithelial cells that are joined by special junctions, which helps it withstand tremendous pressure. Endoneurium • Endoneurium is a loose connective tissue; it comprises collagenous fibers. Additional, less often addressed terminology: Deep epineurium 1 / 8 • Deep epineurium accounts for the connective tissue sandwiched between the nerve fascicles. • We find vasculature in this region. Perineurial septa • Perineurial septa pass through the nerve fascicles and carry vasculature to the nerve fibers. NERVE FIBERS (AXONS) - • The nerve fiber is the nerve cell axon. • Myelin sheath surrounds myelinated axons. • Schwann cells: each myelinates at most one axon internode. MYELIN - Unmyelinated cell In an unmyelinated cell, we see: • The Schwann cell nucleus intermixed with axons within Schwann cell cytoplasm. • The mesaxon is the zone of apposition for the Schwann cell membrane and the axon. • Multiple axons can pass through a Schwann cell, when the nerve fiber is unmyelinated. Myelinated cell In a myelinated cell, we see: • The Schwann cell nucleus lies off to the side of the axon, which is enveloped in concentric circles of myelin: a myelinated sheath. Schwann cells vs oligodendrocytes • Unlike oligodendrocytes, which can myelinate up to 50 individual axons, a Schwann cell only myelinates one axon, as shown here (specifically only one peripheral nervous system internode). DORSAL ROOT GANGLION - We highlight the following: • Ganglion cell • Cell nucleus 2 / 8 • Surrounding satellite cells (which support the ganglionic neurons). - Satellite cells are derived from neural crest cells in the same way that Schwann cells are. #histologyofpns #histologyofperipheralnerve #peripheralnervehistology #peripheralnerve #histology #shotgunhistology #histologyvideos #histologyshotgun

Introduction to the peripheral nervous system


Basic discussion of the main components of the peripheral nervous system.

What Are Peripheral Devices of a Computer Definition, Examples & Types


This is a brief explanation on peripheral devices. I do not own any of this material and the original source can be found at 🤍

March 30, 2022 Meeting of the Peripheral and Central Nervous System Drugs Advisory Committee


The committee will discuss new drug application (NDA) 216660, for sodium phenylbutyrate/taurursodiol (AMX0035) powder for oral suspension, submitted by Amylyx Pharmaceuticals Inc., for the treatment of amyotrophic lateral sclerosis (ALS).

The Nervous System: Peripheral Nervous System (PNS)


From the ProEdify TEAS study guide, this is part of the lesson on the Nervous System. Besides the brain and spinal cord, there is a vast network of nervous tissue that spans the body. This is called the peripheral nervous system. In this video we discuss the major peripheral nervous system divisions (PNS), sensory neurons vs motor neurons, and also the reflex arc. Our guided learning app for nursing school is coming in 2021! Please sign up at to receive updates. -Table of Contents 00:00 - Intro 00:27 - 43 Nerve Pairs 00:45 - Sensory Neurons vs. Motor Neurons (Afferent vs Efferent) The Reflex Arc, Receptors and Effectors - 1:35 Ganglia - 1:45 Voluntary and Involuntary Reflexes - 2:12 Somatic Nervous System - 2:28 Autonomic Nervous System - 2:56 Sympathetic and Parasympathetic Nervous system - 3:23 -Sources Used in this Video 1) Textbook of Basic Nursing (Lippincott's Practical Nursing) 10th Ed. Rosdahl, Caroline Bunker., and Mary T. Kowalski. "Chapter 19." Textbook of Basic Nursing. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2012. N. pag. Print. 2) Study Manual for the Test of Essential Academic Skills (TEAS) Wolkowitz, Amanda. "Human Body Science." Study Manual for the Test of Essential Academic Skills (TEAS): Reading, Mathematics, Science, and English and Language Usage. Stilwell, Kan.: Assessment Technologies Institute, 2010. 128. Print. -Media Attributions 1) Derivative work based on: Anatomy and physiology of animals A reflex arc.jpg By Ruth Lawson Otago Polytechnic [CC BY 3.0 (🤍 via Wikimedia Commons

How to Perform and Interpret Peripheral Arterial Doppler Examinations


In this video, John S. Pellerito, MD, FACR, FAIUM, FSRU, discusses techniques and protocols for Duplex examination of the peripheral arteries; describes diagnostic criteria for identification of significant arterial stenosis and occlusion; and identifies findings associated with pseudoaneurysm and arteriovenous fistula. Interested viewers may be able to earn CME credit. If available, it is located here: 🤍 Original air date: 9/13/2017

Exercise and Peripheral Artery Disease


Elizabeth Ratchford, M.D., associate professor of medicine and director of the Johns Hopkins Center for Vascular Medicine, presents on what peripheral artery disease is and how it affects people, the correlation of decreased mobility in people with this disease and the medical management of it to increase patients’ quality of life. Visit us! 🤍

Peripheral Neuropathy treated with Regenerative Medicine


Discussion with our long-time patient, Nancy, and Dr. Ross Hauser about resolving her peripheral neuropathy. We are so happy for her continued success at overcoming pain and excited to have her share her story with others. Please reach out to us directly at drhauser🤍 if you would like us to review your case to see if our Regenerative Medicine protocols would be a good fit for your case, like Prolotherapy or Nerve Release and Regeneration Injection Therapy (hydrodissection and platelet-rich plasma). You can also call us at 239-308-4773 to speak with our team asap. Connect with us on social media: Facebook: 🤍 Instagram: 🤍 Pinterest: 🤍 *DISCLAIMER: As with any medical treatment, no guarantees or claims of cures are made as to the extent of the response to treatment that every person experiences. The video represents only the featured person/people’s experience or opinion. Every therapy/treatment has patients who experience varying levels of success and failure. Results may not be the same from patient to patient, even with a similar diagnosis, as the body’s internal status is unique to each individual patient. Thanks to for the music.

Facebook Live: Latest Treatment Options for Peripheral Nerve and Spinal Cord Injuries


Plastic and reconstructive surgeon Sami Tuffaha discusses the latest treatments for brachial plexus and peripheral nerve injuries, and how these surgical approaches are now being used to improve upper extremity function in patients with spinal cord injury. #PeripheralNerveInjuries #SpinalCordInjuries #JohnsHopkins Learn more: 🤍

Symptoms and Treatments for Peripheral Artery Disease (PAD)


Peripheral Artery Disease, or PAD, is a circulatory problem where narrowed arteries reduce blood flow. Eanas Yassa, MD, Spectrum Health Medical Group, talks about the signs, treatments and what steps you can take to help prevent PAD. Link for more information: 🤍

Spinal Nerve Plexus | Peripheral Nervous System


In this video, Dr Mike explains each plexus of the spinal nerves, including; cervical, brachial, lumbar, and sacral. He also highlights some clinically important nerves from each and their function.

Hematology- Making a Peripheral Blood Smear


In this video I quickly go over how to make a peripheral blood smear. I hope you can see the smear well enough in the video if not please leave a comment and I will try to make more visible slides. Thanks for watching.

Peripheral neurological disorders


This video is part of the course Introduction to Neurology: 🤍 🤍

Physical Examination for Peripheral Arterial Disease


In this feature from ATRIUM, Dr. Kristin Watson provides an overview of physical examination for peripheral arterial disease, including a how-to video.

Peripheral Artery Disease: Mayo Clinic Radio


Vascular surgeon Dr. Randall DeMartino discusses the common circulatory problem known as peripheral artery disease. This interview originally aired Nov. 19, 2016.

Peripheral Nervous System Disorders: Diagnosis and Treatment


The peripheral nervous system involves the parts of the nervous system beyond the brain and spine. Neuromuscular specialists like Ohio State’s W. David Arnold, MD, treat a variety of disorders including muscular disorders such as muscular dystrophy, polymyositis and dermatomyositis, peripheral neuropathies such as Charcot Tooth, and neuromuscular junction disorders such as myasthenia gravis. Symptoms of these disorders may include general weakness, fatigue, numbness, tingling, and sometimes pain. To develop a definitive diagnosis and individual treatment plan, each patient undergoes a comprehensive evaluation, including medical history, physical exam and targeted testing. As more is understood about the causes of neuromuscular disease, better treatments are being developed to stop and reverse some damage or improve symptoms. To learn more or to schedule an appointment, call (614) 293-4969 or visit 🤍

Peripheral Vision Training


For more information on the impact of the visual system and vision training visit: 🤍 🤍 Peripheral Awareness: The Power of Seeing What You Aren't Looking At

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