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Thoracodorsal Vein (Left)
Cardiovascular System

Thoracodorsal Vein (Left)

Vena thoracodorsalis

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Quick Facts

Origin: Within the latissimus dorsi muscle.

Course: Superiorly to the subscapular vein.

Tributaries: No named branches.

Drainage: Latissimus dorsi muscle.

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Several smaller veins unite to form the thoracodorsal vein within the fibers of the latissimus dorsi muscle.


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.


There are no named tributaries.

Structures Drained

The thoracodorsal vein drains the latissimus dorsi muscle.

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ScienceDirect image

Vein is a secreted ligand for the Drosophila EGFR receptor homolog (EGFR), and EGFR-mediated activation of the Ras/MAP kinase pathway is essential for longitduinal glial cell survival (Hidalgo et al., 2001).

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