superior trunk of brachial plexus

(redirected from truncus superior plexus brachialis)

su·pe·ri·or trunk of brachial plexus

[TA]
the nerve bundle formed by the union of the ventral rami of the fifth and sixth cervical nerves and some fibers from the fourth; it contributes fibers to the posterior and lateral cords (fasciculi) of the brachial plexus.