"inferior opening of the alimentary canal," 1650s, from Old French anus, from Latin anus "ring, anus," from PIE root *ano- "ring." So called for its shape; compare Greek daktylios "anus," literally "ring (for the finger)," from daktylos "finger."
权威例句
1. The diagnosis of imperforate anus is made by inspection of the perineum.
肛门闭锁的诊断靠会阴的望诊即可.
2. Imperforate anus is perhaps not the most description of the anorectal malformations under discussion.
肛门闭锁一词对于讨论肛门直肠畸形并不太确切.
3. Do not dirty your clothes when draw latex canal out the anus.
将橡胶管从肛门拔出时注意不要弄脏衣物.
4. For the oppression and fetal canal to form WaiZhi before anus damage.
胎儿对产道的压迫和损伤容易形成肛前外痔.
5. These include Down's syndrome, cardiac and esophageal abnormalities, and imperforate anus.