Nerve innervation - 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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Comprehensive Overview of Maxillary Sinus Anatomy and Function

The maxillary sinus, also known as the antrum of Highmore, is a key structure in the paranasal air sinuses. Described first in 1651, it plays a vital role in skull lightening, voice resonance, and air filtration. This pyramidal-shaped sinus is lined with Schneiderian membrane and has complex vascula

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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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Overview of Hands and Upper Extremity Conditions

This informative content covers various hand and upper extremity conditions including nerve innervation, deformities, splints, and syndromes such as carpal tunnel syndrome and cubital tunnel syndrome. It discusses key nerves like the ulnar, median, and radial, their functions, associated deformities

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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 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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Understanding Strength-Duration Curve in Neuromuscular Stimulation

The strength-duration curve depicts the relationship between electrical stimulus intensity and time required for minimal muscle contraction. It helps assess nerve damage in lower motor neuron lesions. Various types of curves exist based on innervation status, such as normal innervation, complete den

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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 Female Perineum and External Genitalia Anatomy

Explore the detailed anatomy of the female perineum and external genitalia, including boundaries, division into two triangles, structures, and functions. Learn about the perineal body, anococcygeal body, and the innervation, blood supply, and lymphatic drainage of the perineum. Enhance your knowledg

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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 the Physiology of Micturition: Bladder Function and Control Mechanisms

Explore the intricacies of micturition physiology focusing on the functional anatomy of the urinary bladder, mechanism of filling and emptying, cystometrogram, and neurogenic control. Delve into the internal structure of the bladder, sphincters, and innervation in males for a comprehensive understan

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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 Esophagus Anatomy, Physiology, and Diseases

Explore the anatomy and function of the esophagus, including its layers, innervation, and common disorders like dysphagia, motility disorders, strictures, and rings/webs. Learn about diagnostic methods such as barium swallow studies and endoscopy, as well as treatment options for conditions like ach

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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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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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Understanding the Urinary System: Bladder Anatomy and Function

Exploring the anatomy and physiology of the urinary system with a focus on the bladder, including details on muscle structure, capacity for urine collection, and the role of the detrusor muscle in micturition. Learn about key components such as the trigone and bladder neck, as well as innervation an

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Comprehensive Overview of Thigh Anatomy and Functions

Explore the detailed anatomy of the thigh, focusing on the medial compartment and structures like Gracilis, Adductor Magnus, and more. Understand the innervation, functions, and vascular supply of these thigh muscles. Dive into the complexities of the obturator artery and its branches as they relate

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Posterior Thigh Compartment and Popliteal Fossa Overview

Explore the boundaries, contents, muscles, blood supply, nerve supply, and structures of the posterior thigh compartment and popliteal fossa. Study the cutaneous innervation, sciatic nerve, popliteal artery, and detailed anatomy of this region through informative images and descriptions provided by

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Understanding Finger Injuries and Proper Assessment Guidelines

Hand injuries, especially finger injuries, are common in emergency departments. Proper diagnosis and management are crucial to prevent long-term complications. This content covers information on tendon anatomy, nerve innervation, and assessment guidelines for finger injuries.

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