Document Type : Al-Qadisiyah Conference 2025
Authors
Al-Qadisiyah university
Abstract
Experimental research includes models of peripheral nervous system illnesses, nerve damage, and regeneration frequently use the sciatic nerve in rats. Still, the sciatic nerve's unusual features and possibility for "dying back" neuropathies call for greater explanation in terms of shape. Using hind limb nerves of rats, researchers have created experimental models of neuropathies. Six male Euphoretic jerboas split into two groups and anaesthetized with ketamine and xylazine in the research. The sciatic nerves were revealed and morphometric measures noted following meticulous anatomical dissection. The sciatic nerve, according to results, first bifurzes into two main branches near the knee joint: the peroneal (sural) nerve and the posterior tibial nerve. It then runs via a deep channel between the dorsal side of the ischium and the sacral bone in the minor pelvis. Indicating the range of nerve functions, historological study found a network of capillaries inside the endometrium, Schwann cell nuclei on the outer edge of the myelin sheath, and varied nerve fibre sizes. Comprising concentric layers of connective tissue that give structural support and protection for the nerve fibres, the perineurium which encases the nerve is Protection of the nerve against mechanical damage depends critically on the epineurium, the outermost layer of connective tissue covering it. Notable are internal vibrations of nerve fibres within the axonal area and around the myelin sheath, presumably connected to mechanical interactions or electrical activity among biological components within the neuron. These results could support comparative studies or investigations on rodent neurological damage and recovery.
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