blastosphere
'blæstәusfiә
基本解释
n. [生]囊胚, 囊胚泡
英文释义
n early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
上一个单词：blastopsephitic
下一个单词：blastospheric