Sciatic nerve - PowerPoint PPT Presentation


The Popliteal Fossa

The popliteal fossa, a shallow depression at the back of the knee joint that serves as a passage for main vessels and nerves. Discover its boundaries, roof, floor, and contents like the popliteal artery, popliteal vein, tibial nerve, and common fibular nerve.

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SMALL FIBRE

Small fiber neuropathy involves thin and unmyelinated nerve fibers, leading to various sensory disturbances. The Erlanger and Gasser classification details the different types of nerve fibers involved. Symptoms include burning, tingling, and numbness, often presenting in a stocking-glove pattern. Di

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Nerve and muscle physiology

The lecture delves into the intricate structure of nerves, highlighting the morphology of nerve fibers and the process of myelination. It explores the classification of nerve fibers, emphasizing the role of dendrites, axons, and synaptic functions in the nervous system. The significance of Schwann c

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Neuromodulation Systems Market Expected to Surge to $10.29 Billion by 2030

Meticulous Research\u00ae\u2014a leading global market research company, published a research report titled\n \u2018Neuromodulation Systems Market by Type (Spinal Cord, Sacral Nerve, Vagus Nerve, Deep Brain Stimulation),\n Application (Parkinson's Disease, Tremor, Depression, Epilepsy, Gastroparesis

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Neuromodulation Systems Industry Expected to Grow to $10.29 Billion by 2030

Meticulous Research\u00ae\u2014a leading global market research company, published a research report titled\n \u2018Neuromodulation Systems Market by Type (Spinal Cord, Sacral Nerve, Vagus Nerve, Deep Brain Stimulation),\n Application (Parkinson's Disease, Tremor, Depression, Epilepsy, Gastroparesis

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Neuromodulation Systems Market Projected to Reach $10.29 Billion by 2030

Meticulous Research\u00ae\u2014a leading global market research company, published a research report titled \n\u2018Neuromodulation Systems Market by Type (Spinal Cord, Sacral Nerve, Vagus Nerve, Deep Brain Stimulation), \nApplication (Parkinson's Disease, Tremor, Depression, Epilepsy, Gastroparesis

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Understanding Nerves and Muscles: Physiology Insights by Dr. Amar AL-Musawi MD, PhD

Explore the intricate world of nerve fiber morphology, myelination, and classification in this enlightening lecture by Dr. Amar AL-Musawi. Delve into the significance of myelination in enhancing nerve function and learn about factors affecting conduction velocity. Discover the role of glial cells in

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Understanding the Basics of the Nervous System with Dr. Mohammed Hussein

Explore the fundamentals of the nervous system in Part 1 with Dr. Mohammed Hussein, covering nerve cells, cellular processes, types of neurons, nerve structure, blood vessels, grey matter, and afferent and efferent neurons. Gain insights into the key components that make up this intricate system.

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Understanding the Brachial Plexus Anatomy and Function

The brachial plexus is a crucial network of nerves in the upper limb, formed by nerve fibers originating from C5 to T1 spinal levels. It plays a significant role in innervating the upper extremity muscles and providing sensory feedback. The plexus is categorized into roots, trunks, divisions, cords,

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Mechanism of General Anaesthesia Theories: Lipid Solubility, Surface Tension, Microcrystal, Protein Binding

Mechanism of general anaesthesia involves theories focusing on the interaction of anaesthetics with cell membrane components like lipids and proteins. The Lipid Solubility theory emphasizes the importance of an anaesthetic's affinity and solubility in nerve cell membranes, while the Surface Tension

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Understanding Glaucoma: Causes, Symptoms, and Treatment in Medicine Studies

Glaucoma is a group of eye diseases affecting the optic nerve and causing vision loss due to elevated eye pressure. It includes various types such as angle closure, open-angle, and normal tension glaucoma. Symptoms can vary from blurred vision to tunnel vision, and risk factors include age, family h

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Understanding Nerve Action Potentials: Key Stages and Mechanisms

Explore the intricate process of nerve action potentials, including depolarization, overshoot variations, repolarization stages, and the role of ion levels. Delve into the details of how neurons generate and propagate electrical signals essential for communication in the nervous system.

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Leprosy Nerve Examination by Dr. N. K. Kansal

This informative content provides a detailed guide on leprosy nerve examination conducted by Dr. N. K. Kansal, an Associate Professor. It covers the procedure for palpation of a nerve, emphasizing correct patient positioning and gentle palpation techniques. The importance of comparing nerves on both

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Understanding the Biological Basis of Human Motion and Motor Learning

In the biological basis of human motion, a series of electro-chemical-physical reactions occur at the neuromuscular junction, enabling nerve stimulation for muscle contraction. Nerve impulses for movement originate in the central nervous system or muscles, with acetylcholine transmitting impulses be

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Study on Work-Related Musculoskeletal Disorders and Median Nerve Entrapment in Upper Limb

Investigating the prevalence, factors, and treatment options for work-related musculoskeletal disorders, focusing on median nerve entrapment in the upper limb. The study aims to provide insights into this condition through a thorough literature review and research objectives.

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Understanding Facial Nerve Lesions: Clinical Scenarios and Anatomy Overview

A comprehensive exploration of facial nerve lesions through real-life clinical scenarios and detailed anatomical insights. Dive into cases involving trauma, fractures, and abscesses to understand the varied manifestations of these lesions. Learn about the functions of the facial nerve, its segments,

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Understanding Neurological Conditions: Clinical Slides and Symptoms

This presentation covers various neurological conditions including oculomotor nerve palsy, Horner's syndrome, and shingles caused by the varicella-zoster virus. It explains the symptoms, causes, and characteristics of these conditions with accompanying clinical slides. Learn about the signs and symp

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Clinical Evaluation of Trigeminal Nerve Function

Sensory evaluation of trigeminal nerve function involves assessing exteroceptive sensations across its divisions, identifying sensory losses due to lesions, and distinguishing different types of lesions affecting sensation on the face. Motor evaluation focuses on the muscles of mastication to detect

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Understanding Local Anesthesia and Nerve Conduction Blockade

Local Anesthetics (LAs) are drugs that abolish sensations like pain in specific body areas by blocking nerve conduction of sensory impulses. This process involves reducing the influx of sodium ions, preventing membrane depolarization, and inhibiting action potential conduction. LAs are weak bases wi

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Understanding the Nervous System: A Comprehensive Overview

The nervous system consists of the central nervous system (CNS) and peripheral nervous system (PNS), with neurons as its basic unit. Neurons function as sensory, associative, and motor types, carrying impulses within the body. Parts of a neuron include the cell body, dendrites, axon, and terminal en

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Understanding How the Ear Works and Common Issues

The ear functions for hearing and balance, with the cochlea for hearing and semicircular canals for balance. Sound waves are funneled through the pinna, vibrate the eardrum, pass through the ossicles, and move fluid in the inner ear to transmit nerve impulses. Important terms include auditory cortex

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Understanding Ion Channel Dysfunction in Critical Illness

An intriguing case study presents a young male with weakness and coma in the ICU following pneumonia and sepsis. Nerve conduction results indicated critical illness myopathy and polyneuropathy, along with cardiac abnormalities. Reduced muscle excitability was attributed to a sodium channelopathy. Th

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Understanding Animal Tissues: Epithelial, Muscle, Nerve, and Connective Tissues

Explore the four general categories of animal tissue - epithelial, muscle, nerve, and connective tissues. Learn about the traits, classification, examples, and functions of each type of tissue. From the tightly packed cells of epithelial tissue to the excitable nature of muscle tissue, delve into th

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Exploring the Olfactory Nerve and Its Role in the Sense of Smell

The olfactory nerve, the first cranial nerve, plays a crucial role in our sense of smell. It is unique for its ability to regenerate, with basal cells facilitating this process. The olfactory system is responsible for detecting odors and is essential for various behaviors in mammals. This system con

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Understanding Pleura and Lung Anatomy

Pleura is a double-layered serous membrane surrounding the lungs, consisting of parietal and visceral layers. The pleural cavity between them contains pleural fluid. Parietal pleura is subdivided into cervical, costal, mediastinal, and diaphragmatic regions. The pleura has nerve supply that makes it

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Understanding Back Pain: Causes, Symptoms, and Treatment Options

Explore the comprehensive guide on back pain, covering its causes, symptoms, and various treatment options available. Learn about conditions like sciatica, disc herniation, subluxation, and alternative therapies. Discover insights on nerve supply, less-known facts like nerve pain perception, and dia

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Understanding the Anatomy of the Ear

The ear is a complex sensory organ that enables us to hear by converting sound waves into nerve impulses processed by the brain. It consists of the outer, middle, and inner ear, each playing a crucial role in the hearing process. Changes in air pressure can affect the ear, causing discomfort that ca

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Understanding the Human Ear: Structure, Function, and Adaptations

Explore the intricate structure of the human ear, its role in hearing, and adaptations for sound absorption. Learn about the functions of different ear parts, from the pinna to the auditory nerve, in converting sound waves into nerve impulses for interpretation by the brain.

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Understanding Gray Matter in the Brain: Structure, Function, and Importance

Gray matter in the brain plays a crucial role in information processing and cognitive functions. Composed of neuronal cell bodies and unmyelinated axons, gray matter is visibly pinkish-gray and is essential for various brain functions. It forms a synaptically dense area with fewer cell bodies compar

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Understanding Visual Pathways and Optic Nerve Disorders

Explore the anatomy of visual pathways, optic nerve anomalies, and various pathologies like coloboma, papilledema, and neuropathies. Discover images depicting normal and abnormal optic disc findings, providing insights into diagnosis and management of visual disorders.

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Understanding Facial Nerve Disorders: An Overview

Facial nerve disorders can lead to various symptoms such as facial paralysis and otalgia. This article covers the embryology, anatomy, and neuropathophysiology of the facial nerve. The development of the facial nerve complex occurs in the early stages of gestation, and abnormalities may be associate

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Journey from Esotropia Resulting from Bilateral 6th Nerve Palsy in Infancy to Orthotropia

A detailed case study presented at the 9th Annual State Ophthalmological Conference showcases the successful management of esotropia resulting from bilateral 6th nerve palsy. The journey of a 30-year-old male patient from childhood inward eye deviation to achieving orthotropia post-surgical interven

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Understanding Dental Pulp and Tooth Pain: A Comprehensive Overview

Dental pulp, a soft connective tissue, plays a crucial role in tooth health. It consists of various cells and components like collagen, proteins, and growth factors. The innervation of dental pulp by sensory fibers influences pain perception, with different types of nerve fibers implicated in differ

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Understanding the Gluteal Region and Back of the Thigh

Learn about the anatomy of the gluteal region and back of the thigh, including the muscles, nerves, vessels, and important structures passing through the greater and lesser sciatic foramen. Explore the origins and insertions of the Glutei muscles for a comprehensive understanding.

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Understanding Serum Calcium Measurement in Practical Biochemistry

Calcium is a crucial mineral for various bodily functions like muscle and nerve signaling, heart health, and bone formation. Serum calcium tests help screen for bone diseases and calcium disorders by measuring the amount of calcium in the blood. Two types of tests, total calcium and ionized calcium,

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Oculomotor System Disorders Overview

Oculomotor system disorders encompass a range of conditions affecting the intricate network involving the oculomotor nerve and associated structures. From nuclear IIIrd nerve palsies to fascicular syndromes and uncal herniation syndrome, various pathologies can disrupt eye movement control and pupil

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Overview of Leg Compartments and Nerve Supply in Human Anatomy

This informative content provides detailed insights into the anterolateral compartment of the leg, facial compartments, muscles in the lateral compartment, nerve supply, anterior compartment of the leg, blood, and nerve supply, deep fibular nerve distribution, dorsum and dorsalis pedis artery. It di

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Understanding Electrical Concepts in Nerve Conduction Studies

Exploring the fundamental electrical properties in nerve conduction studies, including charge, voltage, current, and impedance. Learn about normal values, anatomy, and anomalies in nerve function. This self-study curriculum is designed for technologists interested in electromyography and nerve condu

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Exploring the Intricacies of the Human Eye and its Functions

Delve into the fascinating world of the human eye, an extension of the brain, as we explore its proximity to the optic nerve bundle and spinal cord. Understand the crucial role of the retina, lens, cornea, optic nerve, ciliary muscles, and suspensory ligaments in vision. Discover how the retina rece

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Overview of Peripheral Nerve Injuries and Brachial Plexus Injuries

Explore different types of peripheral nerve injuries including Erb's palsy, Klumpke palsy, isolated axillary nerve injury, and isolated musculocutaneous nerve injury. Learn about the anatomy, causes, motor and sensory exams, and management of these injuries. Understand the myotomes and dermatomes as

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