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Radial Artery
Ulnar Artery
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- from Axillary Artery
- begins at lower border of teres major
- provides main arterial supply to arm
- terminates opposite neck of radius by dividing into
- radial artery
- ulnar artery
Relations
- anteriorly
- overlapped from lateral side by
- medial cutaneous nerve (at upper part)
- median nerve (crosses middle part)
- bicipital aponeurosis (crosses lower part)
- Posteriorly
- triceps
- coracobrachialis insertion
- brachialis
- Medially
- ulnar nerve (in upper arm)
- basilic vein
- median nerve
- Laterally
- Upper part
- median nerve
- coracobrachialis
- biceps
- lower part
Branches
- muscular branches to anterior compartment of forearm
- nutrient artery to humerus
- profunda artery
- arises near beginning of brachial artery
- follows radial nerve into spiral groove of humerus
- superior ulnar collateral artery
- arises near middle of upper arm
- follows ulnar nerve
- inferior ulnar collateral
- arises near termination of artery
- takes part in anastomosis around elbow
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