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
<noun.animal>
<noun.animal>
| blastosphere |
|
| blastula |
|
lexical pointers
derivationally related form
lexical pointers
derivationally related form
semantic pointers
hypernym
part meronym
hyponym