The terminal hindgut forms the upper portion of the anal canal.

末端后肠形成肛管的上部.

辞典例句

Objective To rise the cure of the condyloma acuminata in anal canal.

目的提高肛管内尖锐湿疣的一次性治愈率.

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Hemorrhoid ( or pile ) : Mass formed by distension of the network of veins supplying the anal canal.

痔: 肛管黏膜下或齿状线以下的皮下静脉网扩张形成团块.

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