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| anal canal (上端在盆膈平面接续直肠，下端终于肛门。肛管被肛门内括约肌与肛门外括约肌所包绕,平时处于收缩状态,有控制排便的作用) | |||
| anal canal | |||
| rectal tube | |||
|
肛 管 : 13 phrases in 3 subjects |
| Nursing | 4 |
| Reproductive biology | 1 |
| Surgery | 8 |
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