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In surgeries, the principle superficial neurovascular bundles at risk are, medially, the great saphenous vein and its accompanying nerve, and, laterally, the superficial peroneal nerve. The superficial peroneal nerve originates from the common peroneal nerve near the neck of the fibula and passes between the peroneus longus and brevis muscles ...
A nerve is an enclosed, cable-like bundle of nerve fibers (called axons) in the peripheral nervous system. Nerves have historically been considered the basic units of the peripheral nervous system. Nerves have historically been considered the basic units of the peripheral nervous system.
Bundles of fibers are known as nerve tracts, and consist of association tracts, commissural tracts, and projection tracts. The association fibers unite different parts of the same cerebral hemisphere , and are of two kinds: (1) short association fibers that connect adjacent gyri; (2) long association fibers that make connections between more ...
A nerve tract is a bundle of nerve fibers connecting nuclei of the central nervous system. [1] [2] [3] In the peripheral nervous system, this is known as a nerve fascicle, and has associated connective tissue. The main nerve tracts in the central nervous system are of three types: association fibers, commissural fibers, and projection fibers.
A bundle of these fibers constitute an efferent nerve. [1] The opposite direction of neural activity is afferent conduction, [2] [3] [4] which carries impulses by way of the afferent nerve fibers of sensory neurons. In the nervous system, there is a "closed loop" system of sensation, decision, and reactions.
Flat, wispy and highly variable, [4] sometimes consisting of several separate muscular bundles, [5] this muscle is without a distinct investing fascia and ranges 1.5–3 cm in width. [4] It is usually distinct from the vastus intermedius, but occasionally blended with it. [5] [needs update]
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A nerve fascicle is also called a fasciculus, [2] as is a nerve tract in the central nervous system. A nerve fascicle is enclosed by perineurium, a layer of fascial connective tissue. [3] Each enclosed nerve fiber in the fascicle is enclosed by a connective tissue layer of endoneurium. Bundles of nerve fascicles are called fasciculi and are ...