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What is the superior thoracic artery?

Anatomical terminology. [edit on Wikidata] The superior thoracic artery (highest thoracic artery) is a small artery located near the armpit in humans. It normally arises from the first division of the axillary artery, but may arise from the thoracoacromial artery, itself a branch of the second division of the axillary artery.

What is the superior thoracic aperture?

The superior thoracic aperture, also known as the thoracic inlet or outlet , connects the root of the neck with the thorax . The superior thoracic aperture is kidney-shaped and lies in an oblique transverse plane, tilted anteroinferiorly to posterosuperiorly.

What does the superior thoracic artery anastomose with?

The superior thoracic artery originates from the first part of the axillary artery, just inferior to subclavius . It courses posterior to the axillary vein. It anastomoses with the internal thoracic and anterior and posterior intercostal arteries as well as with the lateral thoracic artery.

Where does the superior thoracic artery pass the pectoralis minor?

Running forward and medially along the upper border of the pectoralis minor, the superior thoracic artery passes between it and the pectoralis major to the side of the chest.

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