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.

• 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。