Superior thoracic artery
Superior Thoracic Artery
The Superior Thoracic Artery (pronunciation: su·pe·ri·or tho·rac·ic ar·ter·y) is a small artery that arises from the first part of the Axillary Artery.
Etymology
The term 'Superior Thoracic Artery' is derived from Latin and Greek roots. 'Superior' comes from the Latin 'superus', meaning 'above', 'Thoracic' is derived from the Greek 'thorax', meaning 'chest', and 'Artery' comes from the Greek 'artēria', meaning 'windpipe, artery'.
Anatomy
The Superior Thoracic Artery is the smallest branch of the Axillary Artery, and it is the first branch that arises from it. It travels along the upper border of the Pectoralis Minor Muscle, supplying blood to the first and second intercostal spaces and the superior part of the Serratus Anterior Muscle.
Related Terms
- Axillary Artery: The main artery that supplies blood to the chest, upper limb, and shoulder region.
- Pectoralis Minor Muscle: A thin, triangular muscle in the upper chest, beneath the pectoralis major, responsible for the downward movement of the scapula.
- Serratus Anterior Muscle: A muscle that originates on the surface of the 1st to 8th ribs at the side of the chest and inserts along the entire anterior length of the medial border of the scapula.
See Also
External links
- Medical encyclopedia article on Superior thoracic artery
- Wikipedia's article - Superior thoracic artery
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