直腸
The rectum is a part of the lower gastrointestinal tract. The rectum is a continuation of the sigmoid colon, and connects to the anus. (Wiki)
Examples
- His rectum was perforated and there was considerable blood inside.
Curricula
The rectum is a part of the lower gastrointestinal tract. The rectum is a continuation of the sigmoid colon, and connects to the anus. (Wiki)
Pain in the Bottom
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