anal canal meaning in English
肛管
肛门管
后沟
Examples
- The terminal hindgut forms the upper portion of the anal canal .
末端后肠形成肛管的上部。 - Hemorrhoids comprise of clusters of small blood vessels and connective tissues in the anal canal
痔疮是由肛门的细小血管和结缔组织形成，它可分为内痔及外痔。 - Orthotopic anal reconstruction through partial excision of sphincter and anal canal reforming with smooth muscle
括约肌部分切除加平滑肌肛管成形原位肛门再造术 - Fucking without a condom and pulling out before you cum is also extremely unsafe as both semen and pre - cum can carry hiv and the virus can easily enter the bloodstream through the membranes lining the anal canal
不带套就提枪上阵，就算不射也是极端危险的，因为精液和前列腺液都可能携带hiv ，病毒要穿透菊花内部的表皮细胞简直轻而易举。