Study note
AnatomyAxilla

Arterial course through the quadrangular space

THE CONTEXT
The readable prose describes an artery accompanying the axillary nerve; its name is not explicitly linked to that prose in the supplied fragment.

Course and anastomosis

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The described artery runs backwards with the axillary nerve and passes through the quadrangular intermuscular space.
•
It anastomoses with the anterior circumflex humeral artery around the surgical neck of the humerus.

Supply

•
The artery supplies the shoulder joint, deltoid and muscles bounding the quadrangular space.
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