the left subclavian artery supplies the left arm.
what part of the body does the left subclavian artery supply?
the left arm
the left common carotid artery divides to form the: internal carotid artery (ica) and an external carotid artery (eca). the ica supplies the brain. the eca supplies the neck and face.





















































the left subclavian artery and the right subclavian artery, one on each side of the body form the internal thoracic artery, the vertebral artery, the thyrocervical trunk, and the costocervical trunk. the subclavian becomes the axiliary artery at the lateral border of the first rib. the left subclavian artery also provides blood to the left upper chest and left arm.





















































section::::blood, lymph and nerve supply.:blood supply.:blood–brain barrier.
head and neck anatomy
section::::aortic arch.:left subclavian artery (directly from arch of aorta on left).:thyrocervical trunk.





















































bullet::::- inferior thyroid artery





















































bullet::::- suprascapular artery





















































bullet::::- transverse cervical artery





















































bullet::::- superficial branch





















































bullet::::- deep branch/dorsal scapular artery (sometimes)





















































section::::aortic arch.:left subclavian artery (directly from arch of aorta on left).:costocervical trunk.





















































bullet::::- deep cervical artery





















































bullet::::- supreme intercostal artery





















































bullet::::- 1st and 2nd posterior intercostal artery





















































section::::aortic arch.:left subclavian artery (directly from arch of aorta on left).:axillary artery.





















































bullet::::- superior thoracic artery





















































bullet::::- thoracoacromial artery





















































bullet::::- acromial





















































bullet::::- pectoral





















































bullet::::- clavicular





















































bullet::::- deltoid





















































bullet::::- lateral thoracic artery





















































bullet::::- subscapular artery





















































bullet::::- anterior humeral circumflex artery
arterial tree