Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System: Suprascapular Artery and Nerve Passing Beneath the Transverse Scapular Ligament

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Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System

Suprascapular Artery and Nerve Passing Beneath the Transverse Scapular Ligament

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed

The left scapula is seen from the front, with the clavicle somewhat rotated on its own axis
In this case both the suprascapular artery and suprascapular nerve pass beneath the suprascapular (or transverse scapular) ligament.

from Pye-Smith, P.H., Howse, H.G., and J.C.N. Davies-Colley, 1871

Note: Although textbooks never mention this variation it is very common, about 25% of dissected bodies. This would suggest that textbook authors either have never taken an active part in the dissection of the human body or have not done any preparative reading before writing.

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Anatomy Atlases is curated by Michael P. D'Alessandro, M.D. and Ronald A. Bergman, Ph.D.

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