|—n , pl -tas, -tae|
|the main vessel in the arterial network, which conveys oxygen-rich blood from the heart to all parts of the body except the lungs|
|[C16: from New Latin, from Greek aortē, literally: something lifted, from aeirein to raise]|
aorta a·or·ta (ā-ôr'tə)
n. pl. a·or·tas or a·or·tae (-tē)
The large artery that is the main trunk of the systemic arterial system, arising from the base of the left ventricle, ending at the left side of the body of the fourth lumbar vertebra, dividing to form the right and left common iliac arteries, and whose parts are the ascending aorta, the aortic arch, and the descending aorta.
|aorta (ā-ôr'tə) Pronunciation Key
Plural aortas or aortae (ā-ôr'tē)
The main artery of the circulatory system, arising from the left ventricle of the heart in mammals and birds and carrying blood with high levels of oxygen to all the arteries of the body except those of the lungs.