Internal mammary artery
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
- Subclavian artery: A major artery of the upper body, supplying blood to the head, neck, and arms.
- Coronary artery bypass grafting (CABG): A surgical procedure to improve blood flow to the heart.
- Sternum: The breastbone, a long flat bone located in the center of the chest.
See Also
External links
- Medical encyclopedia article on Internal mammary artery
- Wikipedia's article - Internal mammary artery
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