Internal mammary artery

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Internal Mammary Artery

The Internal Mammary Artery (IMA), also known as the Internal Thoracic Artery (ITA), is an artery that supplies the anterior chest wall and the breasts.

Pronunciation

Internal Mammary Artery: /ɪnˈtɜːrnəl ˈmæməri ˈɑːrtəri/

Etymology

The term "Internal Mammary Artery" is derived from the Latin words "internus" meaning inside, "mamma" meaning breast, and "arteria" meaning windpipe or artery.

Anatomy

The Internal Mammary Artery originates from the subclavian artery and runs down the inside of the chest wall, parallel to the sternum. It gives off several branches that supply blood to the chest wall and breasts.

Clinical Significance

The Internal Mammary Artery is often used in coronary artery bypass grafting (CABG) due to its proximity to the heart and its superior long-term patency rates compared to other grafts.

Related Terms

See Also

External links

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