The correct spelling of the anatomical structure "arteria mammaria interna" is crucial for medical professionals. This term refers to the internal mammary artery, which supplies blood to the chest wall and breast tissue. The IPA phonetic transcription indicates that the word is pronounced as "ɑrtɛria mæmɑria intɛrna" in American English. Pronouncing the word accurately can help healthcare practitioners communicate effectively and avoid confusion with other similar terms. Therefore, it is essential to pay attention to the correct spelling and pronunciation of medical terms like "arteria mammaria interna."
The term "arteria mammaria interna", also known as the internal mammary artery (IMA), refers to a major blood vessel located within the chest region. Specifically, it is one of the two internal mammary arteries that originate from the subclavian arteries and are responsible for supplying oxygenated blood to various structures in the thoracic region.
The artery arises from the medial side of the subclavian artery, descends vertically into the anterior chest wall, and runs parallel to the sternum. As it courses through the thoracic cavity, it gives off numerous branches to supply nearby tissues, including the muscles, skin, and other structures of the anterior chest wall.
The internal mammary artery is particularly known for its importance in coronary artery bypass grafting (CABG) procedures. During these surgeries, a portion of the artery may be dissected and used as a graft to bypass blocked or narrowed coronary arteries and restore blood flow to the heart muscle. Due to its proximity to the heart and its rich blood supply, the internal mammary artery is considered an ideal graft material for its excellent long-term outcomes and durability.
Overall, the arteria mammaria interna plays a vital role in the blood circulation of the chest region, providing oxygen and nutrients to the surrounding tissues and serving as a valuable conduit for revascularization procedures in cardiac surgery.
Internal mammary; origin, subclavian; branches, pericardiacophrenica, mediastinales anteriores, pericardial, muscular, and perforating rami, and bifurcates into the musculophrenica and epigastrica superior.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.