| 释义 |
trunks of brachial plexus 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] |