Axillary Vein
Axillary Vein
The Axillary Vein (pronounced: ax·il·lar·y vein) 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 the 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.
Related Terms
- Axillary Artery: An artery that carries oxygenated blood to various parts of the upper body including the axilla and the pectoral area.
- Basilic Vein: A large superficial vein of the upper limb that helps drain parts of the hand and forearm.
- Subclavian Vein: A paired large vein, one on either side of the body, that is responsible for draining blood from the upper extremities, allowing this blood to return to the heart.
- Teres Major Muscle: A muscle of the upper limb and one of six scapulohumeral muscles. It is a thick and ovoid muscle in the upper arm.
External links
- Medical encyclopedia article on Axillary Vein
- Wikipedia's article - Axillary Vein
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