Axillary vein
Axillary Vein
The Axillary Vein (/ækˈsɪləri veɪn/) is a large blood vessel that conveys blood from the lateral aspect of the thorax, axilla (armpit) and upper limb toward the heart.
Etymology
The term "Axillary" originates from the Latin word "Axilla" which means "armpit". The term "Vein" comes from the Latin word "Vena" which means "blood vessel".
Anatomy
The Axillary Vein begins at the lower margin of the Teres Major as a continuation of the Basilic Vein. It ends at the outer border of the first rib, where it becomes the Subclavian Vein. It is accompanied along its course by a similarly named artery, the Axillary Artery.
Function
The primary function of the Axillary Vein is to carry deoxygenated blood from the upper limb, as well as the lateral thorax and axilla, back to the heart.
Related Terms
- Axillary Artery: An artery that carries oxygenated blood to the axilla (armpit) and the upper limb.
- Basilic Vein: A large superficial vein of the upper limb that helps drain parts of the hand and forearm.
- Subclavian Vein: A continuation of the axillary vein that drains blood from the upper extremities.
- Teres Major: A muscle of the upper limb, which is related to the course of the axillary vein.
External links
- Medical encyclopedia article on Axillary vein
- Wikipedia's article - Axillary vein
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