<P> The usual branches of the subclavian on both sides of the body are the vertebral artery , the internal thoracic artery , the thyrocervical trunk , the costocervical trunk and the dorsal scapular artery , which may branch off the transverse cervical artery which is a branch of the thyrocervical trunk . The subclavian becomes the axillary artery at the lateral border of the first rib . </P>
<P> The usual branches of the subclavian on both sides of the body are the vertebral artery , the internal thoracic artery , the thyrocervical trunk , the costocervical trunk and the dorsal scapular artery , which may branch off the transverse cervical artery which is a branch of the thyrocervical trunk . The subclavian becomes the axillary artery at the lateral border of the first rib . </P>
where does the subclavian artery become the axillary
where does the subclavian artery become the axillary
at the lateral border of the first rib
at the lateral border of the first rib