Quick Facts
Origin: Unification of the circumflex scapular and thoracodorsal vein.
Course: Short course to axillary vein.
Tributaries: Thoracodorsal and circumflex scapular veins.
Drainage: Muscles of the scapular region and latissimus dorsi muscle.
Origin
The subscapular vein is the vena comitantes to the subscapular artery. It originates when the circumflex scapular and thoracodorsal veins unite.
Course
The subscapular vein has a short course and runs superiorly.
Tributaries
The subscapular vein is formed by the unification of two large tributaries. These are the thoracodorsal and circumflex scapular veins.
Structures Drained
Via its tributaries, the subscapular vein drains the scapular region, as well as the latissimus dorsi muscle.
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Vein
A venous sinus is a vein with a thin wall of endothelium that is devoid of smooth muscle to regulate its diameter.
