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Medical Term:

posterior interosseous nerve


the terminal portion of the deep branch of the radial nerve; arises in the cubital region, penetrating and supplying the supinator and continuing with the posterior interosseous artery to supply all the extensor muscles in the forearm.

Synonym(s): nervus interosseus antebrachii posteriorTA, dorsal interosseous nerve, nervus antebrachii posterior, nervus interosseus dorsalis, nervus interosseus posterior, posterior antebrachial nerve

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.