Hymen is a ring mucosal tissues, such as a barrier to protect the vagina, uterus and fallopian tubes, in vitro to reduce pollution, bacterial invasion, the blood from the body.
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- 处女膜是一层环状粘膜组织,像一层屏障,保护阴道、子宫和输卵管,减少体外污染、细菌的入侵,使经血排出体外。