医生检查了他的肛门。

The doctor examined his anus.

你需要保持肛门的清洁。

You need to keep your anus clean.

她感到肛门有些不适。

She felt some discomfort in her anus.

肛门是消化系统的一部分。

The anus is part of the digestive system.

他有肛门出血的问题。

He has a problem with bleeding from his anus.

肛门脓肿（湿疹，出血）

Abscess (eczema, hemorrhage) of anus

怎么才能让肛门伸缩自如?

How can ability make anus retractile?

请每晚在肛门里挤一些.

Please squeeze it into your anus every night.

肛门上长肉球?

Gather flesh on the anus ball?

肛门和直肠内波动感

Wave sense in anus and rectum