papillary foramina

例句：

1. 1. The cysts were located in the papillary foramina of the kidney.
   囊肿位于肾脏的乳头管中。
2. 2. The pathologist found a papillary foramen that was filled with blood.
   病理学家发现一个充满血液的乳头管。
3. 3. The patient's condition required immediate surgery to remove the papillary foramina blockage.
   患者的状况需要立即手术来移除乳头管阻塞。