Brachial Artery

The brachial artery is the major blood vessel of the (upper) arm.

It is the continuation of the axillary artery beyond the lower margin of teres major muscle. It continues down the ventral surface of the arm until it reaches the cubital fossa at the elbow. It then divides into the radial and ulnar arteries which run down the forearm. In some individuals, the bifurcation occurs much earlier and the ulnar and radial arteries extend through the upper arm. The pulse of the brachial artery is palpable on the anterior aspect of the elbow, medial to the tendon of the biceps, and, with the use of a stethoscope and sphygmomanometer (blood pressure cuff) often used to measure the blood pressure.

The brachial artery is closely related to the median nerve; in proximal regions, the median nerve is immediately lateral to the brachial artery. Distally, the median nerve crosses the medial side of the brachial artery and lies anterior to the elbow joint.

Read more about Brachial ArteryBranches, Additional Images

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... from an extensive anastomosis between the brachial artery and its terminal branches ... The superior and inferior ulnar collateral branches of the brachial artery and the radial and middle collateral branches of the profunda brachii artery descend from above to reconnect on the joint capsule ... The blood is brought back by vessels from the radial, ulnar, and brachial veins ...
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... In human anatomy, the brachial veins are venae comitantes of the brachial artery in the arm proper ... Their course is that of the brachial artery (in reverse) they begin where radial veins and ulnar veins join (corresponding to the bifurcation of the ... At this point, the brachial veins join the basilic vein to form the axillary vein ...
Brachial Artery - Additional Images
... Cross-section through the middle of upper arm The axillary artery and its branches The radial and ulnar arteries Ulnar and radial arteries ... Deep view The deep veins of the upper extremity The right brachial plexus (infraclavicular portion) in the axillary fossa viewed from below and in front Front of right upper extremity ...