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Brachial artery

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Title: Brachial artery  
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Subject: Axillary artery, Deep artery of arm, Arm, Pulse, Arterial tree
Collection: Arteries of the Upper Limb
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Brachial artery

Brachial artery
The brachial artery.
Right upper limb, anterior view, brachial artery and elbow.
Details
Latin arteria brachialis
Source axillary artery
Branches Profunda brachii
Superior ulnar collateral artery
Inferior ulnar collateral artery
Radial artery
Ulnar artery
brachial vein
Supplies biceps brachii muscle, triceps brachii muscle
Identifiers
MeSH A07.231.114.139
Anatomical terminology

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.

Contents

  • Branches 1
  • Additional images 2
  • See also 3
  • External links 4

Branches

as well as important anastomotic networks of the elbow and (as the axillary artery) the shoulder.

The biceps head is lateral to the brachial artery. The median nerve is medial to the brachial artery for most of its course.

Additional images

See also

Femoral artery a leg based artery with a similar function

External links

  • Dissection at mvm.ed.ac.uk
  • Image at umich.edu - pulse
  • lesson4arteriesofarm at The Anatomy Lesson by Wesley Norman (Georgetown University)
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