垂唇
chuí chún
- hypostome
垂唇
垂唇[chuí chún]
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垂唇内胚层腺细胞对食物有消化作用，对同类无伤害；
The gland cell in entoderm of hypostome was able to digest foods , but it had no hurt effect to other Hydra .
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术后随访4～6个月，所有患者未出现面中部松垂和鼻唇沟加深的情况。
During postoperative follow-up of4 to6 months , all the patients had satisfactory operative results , and reported no postoperative drooping of cheek .