| 词汇 | amnion |
| 释义 | amnion noun[ C ] biology specializeduk /ˈæm.ni.ən/ us /ˈæm.ni.ən/pluralamnions or amniauk /ˈæm.ni.ə/ us /ˈæm.ni.ə/ a bag made of thin skin that contains amniotic fluid and surrounds the embryo of a mammal, bird, or reptile inside its mother（哺乳动物、鸟类或爬行动物胎儿的）羊膜 Sexual & reproductive organs adnexa amniotic birth canal cervical cervix cojones corona radiata foreskin hymen IU labia majora labia minora labial labii testicular testis transplacental transplacentally tubal umbilical Related wordamniotic The amnion and serous membrane are omitted. |
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