trunks of brachial plexus(redirected from trunci plexus brachialis)
trunks of brach·i·al plex·us[TA]
the superior, middle, and inferior trunks; formed by spinal nerves C5-T1; as they pass into the axilla, each trunk separates into an anterior and posterior division; fibers in these six divisions then regroup to form the lateral, medial, and posterior cords.
Synonym(s): trunci plexus brachialis [TA]
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