| 释义 |
肺动脉fèidòngmài从心向肺输送血液的血管,短而粗,共有两条,从右心室发出,分别进入左右两肺,分为小枝成毛细血管网包住肺泡。肺动脉中的血液含有二氧化碳,颜色暗红。{pulmonary artery; two short and thick vessels conveying blood from the right ventricle of the heart to the left and right lungs, where they divide into small branches, forming a blood capillary network around the pulmonary alveoli. Blood in the pulmonary arteries contains carbon dioxide and is dark-red.} |