Study note
AnatomyAxilla

Posterior circumflex humeral artery: size and origin

THE CONTEXT
The posterior circumflex humeral artery is a branch of the third part of the axillary artery.

Size and origin

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The posterior circumflex humeral artery is much larger than the anterior circumflex humeral artery.
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It arises from the third part of the axillary artery at the lower border of subscapularis.
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