Thoracic duct — Free Anatomy Illustration | GPAI | GPAI

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Thoracic duct — Free Anatomy Illustration | GPAI | GPAI

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Thoracic duct

Thoracic duct

Anatomy

Thoracic duct

A long, very slender thoracic duct shown as a vertically oriented lymphatic channel, pale cream in color, with a thin-walled, narrow lumen and delicate threadlike appearance finer than adjacent veins or arteries. The duct follows a slightly sinuous or winding course with a gentle superior arch near its upper terminal end and subtle upward tapering. Its surface is mostly smooth but faintly beaded by intermittent valve-like bulges or slight segmental constrictions, giving it a fragile lymphatic appearance.

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