Posterior humeral circumflex artery

The posterior humeral circumflex artery (posterior circumflex artery, posterior circumflex humeral artery) arises from the third part of axillary artery at the lower border of the subscapularis, and runs posteriorly with the axillary nerve through the quadrangular space.

Posterior humeral circumflex artery
The axillary artery and its branches, including posterior humeral circumflex.
The scapular and circumflex arteries. (Posterior hum. circumflex labeled at center right.)
Details
Sourceaxillary artery
Identifiers
Latinarteria circumflexa humeri posterior
TAA12.2.09.017
FMA22684
Anatomical terminology

It winds around the surgical neck of the humerus and is distributed to the deltoid muscle and shoulder-joint, anastomosing with the anterior humeral circumflex and deep artery of the arm.

It supplies the teres major, teres minor, deltoid, and (long head only) triceps muscles.[1]

Additional images
  • Suprascapular and axillary nerves of right side, seen from behind.
  • Posterior humeral circumflex artery
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See also

References
  1. Clinically Oriented Anatomy 7th ed. 2014. p. 718.

This article incorporates text in the public domain from page 589 of the 20th edition of Gray's Anatomy (1918)


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