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 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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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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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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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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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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Delve into the intricacies of cardiac action potential, mechanism of action potential propagation, rhythmicity in excitable tissues, and the crucial concept of refractory period. Explore how voltage-gated channels influence the duration of action potential and learn about the spontaneous generation

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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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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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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 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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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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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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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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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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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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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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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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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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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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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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Membrane potential, resting potential, and action potentials play crucial roles in the functioning of excitable cells like neurons, muscle cells, and endocrine cells. Voltage-gated channels, depolarization, and repolarization are key processes involved in generating and propagating action potentials

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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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Explore the complex processes underlying cardiac action potential, from ionic equilibrium to resting membrane potential and excitability in cardiac cells. Learn about the critical thresholds, equilibrium potentials, and gradients that regulate the electrical activity of the heart. Discover the intri

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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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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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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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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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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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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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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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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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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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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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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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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 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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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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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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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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