Superior thoracic artery

Superior Thoracic Artery

The superior thoracic artery, shown in red, is a branch of the axillary artery.

The Superior Thoracic Artery is a small artery that serves as the first branch of the Axillary Artery. It is responsible for supplying blood to the first and second intercostal spaces, as well as the superior part of the Serratus Anterior Muscle.

Anatomy

The Superior Thoracic Artery originates from the first part of the Axillary Artery. It travels along the upper border of the Pectoralis Minor Muscle, before dividing into its terminal branches. These branches supply the first and second intercostal spaces, as well as the superior part of the Serratus Anterior Muscle.

Clinical Significance

Due to its location, the Superior Thoracic Artery can be involved in various thoracic and cardiovascular conditions. For instance, it may be affected in cases of Thoracic Outlet Syndrome, a condition that involves compression of the nerves and blood vessels in the thoracic outlet.

See Also

• Axillary Artery
• Serratus Anterior Muscle
• Thoracic Outlet Syndrome

External Links

• Wikimedia Commons has media related to Superior Thoracic Artery.

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