radial nerve n.
A nerve that arises from the posterior cord of the brachial plexus and divides into two terminal branches, designated superficial and deep, that supply muscular and cutaneous branches to the dorsal aspect of the arm and forearm.
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| a chattering or flighty, light-headed person. |
| the offspring of a zebra and a donkey. |
| radial nerve | |
noun | |
| largest branch of the brachial plexus; extends down the humerus to the lateral epicondyle where it divides into one branch that goes to the skin on the back of the hand and another that goes to the underlying extensor muscles |