常見(jiàn)例句Prior to surgery, MRI showed injury to ACL and semilunar valve in all patients. 所有患者術(shù)前MRI均顯示前交叉韌帶損傷并發(fā)半月板損傷;The pulmonary valve (also called the pulmonary semilunar valve) lies at the base of the pulmonary trunk, where it prevents the backflow of ejected blood into the right ventricle. 這些結(jié)構(gòu)可以防止心室瓣的外翻,就像一把強(qiáng)風(fēng)中雨傘,當(dāng)心室收縮的時(shí)候心室的壓力就會(huì)增加。semilunar valve of pulmonary artery 肺動(dòng)脈半月瓣posterior cusp of semilunar valves 半月瓣后尖瓣semilunar valves of pulmonary artery 肺動(dòng)脈半月瓣lunulae of semilunar valves of aorta 主動(dòng)脈半月瓣弧緣 返回 semilunar valve