Vena comitans

Vena comitans is Latin for accompanying vein and is also known as a satellite vein. It refers to a vein that is usually paired, with both veins lying on the sides of an artery. Because they are generally found in pairs, they are often referred to by their plural form: venae comitantes.

Vena comitans
The deep veins of the arm. (Venae comitantes labeled as venae comites at upper right.)
Identifiers
TA98A12.0.00.031
TA23905
FMA76841
Anatomical terminology

Venae comitantes are usually found with certain smaller arteries, especially those in the extremities. Larger arteries, on the other hand, generally do not have venae comitantes. They usually have a single, similarly sized vein which is not as intimately associated with the artery.

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