单词 | amnion |
释义 | am·ni·on ![]() n. pl. am·ni·ons or am·ni·a (-nē-ə) A tough, thin membrane that forms a sac enclosing the embryo or fetus of a mammal, bird, or reptile. It is filled with a serous fluid in which the embryo or fetus is suspended. [New Latin, from Greek amneion, variant of amneios, amnion, and from amnion, amnion, both from amnos, lamb; akin to Irish úan, Latin agnus, and Old Church Slavonic agnę, lamb.] am′ni·otic (-ŏtĭk), am′ni·onic (-ŏnĭk) adj. |
随便看 |
英语词典包含135693条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。