Quick Facts
Origin: Within the latissimus dorsi muscle.
Course: Superiorly to the subscapular vein.
Tributaries: No named branches.
Drainage: Latissimus dorsi muscle.
Origin
Several smaller veins unite to form the thoracodorsal vein within the fibers of the latissimus dorsi muscle.
Course
The thoracodorsal vein courses superiorly within the latissimus dorsi muscle, along with the thoracodorsal artery and nerve. It then unites with the circumflex scapular vein to form the subscapular vein.
Tributaries
There are no named tributaries.
Structures Drained
The thoracodorsal vein drains 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.
