Everything about The Brachial Artery totally explained
The
brachial artery is the major
blood vessel of the upper arm.
It is a 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 and, with the use of a
stethoscope and
sphygmomanometer (blood pressure cuff) often used to measure the
blood pressure.
Branches
The brachial artery has several branches along its course. These supply the muscles of the upper arm, such as
biceps brachii muscle and
triceps brachii muscle, and contribute to important anastomotic networks of the elbow and (as the axillary artery) the shoulder.
Additional images
Image:Gray413_color.png|Cross-section through the middle of upper arm.
Image:Gray523.png|The axillary artery and its branches.
Image:Gray527.png|The radial and ulnar arteries.
Image:Gray528.png|Ulnar and radial arteries. Deep view.
Image:Gray575.png|The deep veins of the upper extremity.
Image:Gray809.png|The right brachial plexus (infraclavicular portion) in the axillary fossa; viewed from below and in front.
Image:Gray1235.png|Front of right upper extremity, showing surface markings for bones, arteries, and nerves.
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