| 单词 | 羊膜 |
| 释义 | 〔caul〕A portion of the amnion, especially when it covers the head of a fetus at birth. Also called pileus 胎膜：羊膜的一部分，尤指当包着出生时的胎儿头部时 也作 pileus〔amnion〕A thin, tough, membranous sac that encloses the embryo or fetus of a mammal, bird, or reptile. It is filled with a serous fluid in which the embryo is suspended.羊膜：一层薄的、坚韧的膜囊，可包住哺乳动物、鸟类或爬行动物的胚胎或婴儿，膜囊被羊水充满，胚胎悬浮其中〔amnioscopy〕Examination of the amniotic cavity and fetus using an optical instrument that is inserted directly into the amniotic cavity.羊膜内视镜检法：把光学仪器直接插入羊膜腔以观察羊膜腔及胎儿 |
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