posterior interosseous nerve


pos·te·ri·or in·ter·os·se·ous nerve

[TA] 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 posterior [TA], dorsal interosseous nerve, nervus antebrachii posterior, nervus interosseus dorsalis, nervus interosseus posterior, posterior antebrachial nerve

pos·te·ri·or in·ter·os·se·ous nerve

(pos-tēr'ē-ŏr in'tĕr-os'ē-ŭs nĕrv) [TA] The deep terminal 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 posterior [TA] .