thyrocervical (arterial) trunk

thy·ro·cer·vi·cal (arterial) trunk

[TA] a short arterial trunk arising from the subclavian artery, giving rise to the suprascapular (which may instead arise directly from the subclavian artery) and terminating by dividing into the ascending cervical and inferior thyroid arteries. Synonym(s): truncus thyrocervicalis [TA], thyroid axis