Vessels and Nerves of the Upper Limb Flashcards
how does the artery of the upper limb begin?
as the subclavian artery above the clavicle
when does the subclavian become the axillary artery?
when it runs under the clavicle and through axilla
what happens when the teres major crosses the back of the scapula to anterior part of humerus?
axillary artery turns to brachial
what is at risk in penetrative injuries to the axilla?
axillary artery
where is the brachial artery palpable?
antecubital fossa
which arteries are at risk when the surgical neck of the humerus is fractured?
the anterior and posterior circumflex humeral arteries
where does the deep artery of the arm arise?
brachial artery and runs into the posterior compartment where the triceps are
what does the brachial artery split into?
the radial and ulnar
what are there between the brachial and ulnar arteries?
collateral arteries that provide a route if the main route is blocked
which artery is found in the antecubital fossa?
the common interosseous to the posterior forearm and makes the anterior and posterior interosseous arteries
which branches of arteries supply the hand?
branches of the radial and the ulnar arteries
what is a characteristic of these?
the anastamose with each other
what are the arches called and formed from?
superficial palmar arch from the larger branch of ulnar and a branch of radial, and deep palmar arch from larger branch of radial and smaller branch of ulnar
what are digital arteries?
small artery that runs up side of each finger
how many systems of veins are there?
deep and superficial