| 释义 |
主动脉zhǔdòngmài人体内最粗大的动脉,从左心室发出,向上向右再向下略呈弓状,再沿脊柱向下行,在胸腹等分出很多较小的动脉。是向全身各部输送血液的主要导管。{aorta; largest artery in the body, arising from the base of the left ventricle of the heart, and turning up, right, and back down in the shape of an arch, running down along the vertebra, branching off to form smaller arteries at the chest and abdomen, and carrying blood to all parts of the body;}也叫also大动脉{dàdòngmài}。 |