posteriors屁股posterioradj.(在时间；次序上)较后的n.臀部Posterior capsule tear视网膜脱离posterior ethmoid vein筛后静脉posterior bony ampulla后骨壶腹posterior vaginal wall阴道后壁posterior lens capsule晶状体囊后部posterior distribution后分布,后验分布posterior presentation后肢前置posterior basal branch后底支posterior symblepharon睑球后粘连posterior colporrhaphy阴道后壁修补术

1. We presented a 46 years old woman with posterior wall RVF after the rectal cancer surgery.
   我们在此提出一位四十六岁女性，在经过直肠癌手术之后，发现有直肠阴道后壁瘘管。
2. Echocardiography demonstrated a mass attached to the posterior left atrial wall protruding into the mitral orifice during diastole.
   心脏超音波影像可见肿瘤依附左心房后壁，于舒张期阻塞二尖瓣开口突入左心室。