rectum dilator直肠扩张器
vas rectum直管;直小管
rectum adenocarcinoma直肠腺癌
caecum rectum直肠盲囊
rectum m直肠
emptied rectum直肠空虚
loose rectum没有力量的回球
rectum palpation直肠触诊
The shape of the Styela plicata digestive tract is "U". The tract includes esophagus, stomach, foreguU midgut, hindgut, rectum and anus.
皱瘤海鞘的消化道为一条“U”形的管道，包括食道、胃、前肠、中肠、后肠、直肠至肛门。
参考来源 - 厦门文昌鱼和皱瘤海鞘消化道内分泌功能的比较研究N-COUNT（可数名词） Someone's rectum is the bottom end of the tube down which waste food passes out of their body. 直肠 [医学]