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Scapular anastomosis
The scapular and circumflex arteries
Gray's p.587
Anatomical terminology

The scapular anastomosis is a system connecting certain subclavian artery and their corresponding axillary artery, forming a circulatory anastomosis around the scapula. It allows blood to flow past the joint in case of occlusion, damage, or pinching of the following scapular arteries:

The transverse cervical artery gives off a branch, the dorsal scapular artery, which accompanies the dorsal scapular nerve and runs down the vertebral border of the scapula to its medial edge and inferior angle. The dorsal scapular artery anastomoses with the subscapular artery, providing an alternate route to the 3rd part of the axillary artery in the event of a slowly forming occlusion.

The suprascapular artery branches off from the thyrocervical trunk, which in turn arises from the first part of the subclavian artery. This suprascapular artery crosses over the suprascapular ligament, passes through the supraspinous fossa and turns around the lateral border of the spine of the scapula and supplies the infraspinous fossa as far as the inferior angle.

The subscapular artery branches from the third part of the axillary and supplies the subscapularis muscle in the subscapular fossa as far as the inferior angle. The subscapular artery gives off a circumflex scapular branch that enters the infraspinous fossa on the dorsal surface of the bone, grooving the axillary border.

All these vessels anastamose or join to connect the first part of the subclavian with the third part of the axillary, providing a collateral circulation. This collateral circulation allows for blood to continue circulating if the subclavian is obstructed.

See also[edit]

External links[edit]

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Scapular_anastomosis — Please support Wikipedia.
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219 videos foundNext > 

099 The Branches Of The Axillary Artery

http://www.interactive-biology.com - In this video, Leslie talks about the 6 branches of the axillary artery, which include the Superior Thoracic artery, ...


Axillary artery is the continuation of the subclavian artery into the axilla. The artery is closely related to the cords of the brachial plexus and in fact the cords of the ...

Arterial Anastomosis

This video contains subtitles. If you can't see them, turn them on using the button under the video. We also recommend watching in HD (720p). Summer School ...

Anastomosis around scapula

Axillary Artery Branches: Anatomy Mnemonic (Dirty): Better than steak and potatoes!

Mnemonic explains the branches of the axillary artery. Funny/crude tutorial for easy anatomy learning the blood supply for shoulder. Teens grow up and die!

028- Anastomoses around the scapula (Upper Limb)

Collateral & Recurrent arteries of the Arm

Collateral & Recurrent arteries which branch off the Brachial, Radial & Ulnar arteries. The drawing is of a right arm in anatomically correct position.

093 Gateways To The Posterior Scapular Regions and Their Contents

http://www.interactive-biology.com - In this video, Leslie Samuel talks about the Suprascapular notch, Quadrangular Space, Triangular Space, and Triangular ...

10- Dr.Medhat - 1 November 2015 (Anastomosis around Scapula , Muscles of the Back)

28 U Limb Anastomoses around the scapula د أحمد كمال

219 videos foundNext > 

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