CSB332H1 Lecture Notes - Lecture 12: Wallerian Degeneration, Spinal Cord Injury, Carpal Tunnel Syndrome
Complete recovery has not be seen in severe injury to the cns there are some that show promises. Depends on intrinsic and extrinsic factor and substances around the damage. 31 spinal nerves projecting from spinal cord; nerves are a cluster of axons. Each of these nerves consist of several layers. Under epineurium are diff clusters of axons called fascicles which are covered by perineurium. Under perneurium are the individual axons which are covered by endoneurium (a tube) Within endoneurium is where you"ll find the myelin sheaths. Cyclists: handle bar palsy compress ulnar nerve on the wrist. Soccer players: when they hit the ball with their head -> the stretch could injure the brachial plexus but recovery is possible; from hours to days. Carpal tunnel syndrome or repetitive movement injuries strain or compress nerves such as medial nerve when you"re on the computer all the time. Several grades of injuries; there are less severe and more severe.