posterior interosseous nerve

(redirected from posterior antebrachial 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.

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] .
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