肺动脉口
Ostium trunci pulmonalis
定义
肺动脉口呈圆形，位于动脉圆锥的顶端，紧邻室间隔。它位于房室口的左上方，并由肺动脉半月瓣加以保护。
參考資料
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
