Posterior interosseous nerve

posterior interosseous nerve n.
The deep terminal branch of the radial nerve, supplying the supinator and all the extensor muscles in the forearm.


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    [po-steer-ee-awr-i-tee, -or-, poh-] /pɒˌstɪər iˈɔr ɪ ti, -ˈɒr-, poʊ-/ noun 1. the state or quality of being . n. late 14c., “state of being behind,” from Old French posteriorite (Modern French postériorité), from Medieval Latin posterioritatem (nominative posterioritas), from Latin posterior “later” (see posterior (adj.)).

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