blastula
pronunciation
How to pronounce blastula in British English:
UK ['blæstʃələ]
How to pronounce blastula in American English:
US ['blæstʃələ]
-
- Noun:
- 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
Word Origin
- blastula (n.)
- embryonic state, 1875, Modern Latin, from Greek blastos "sprout, germ" + diminutive ending -ula (see -ule).
Example
- 1. The process in which a gastrula develops from a blastula by the inward migration of cells .
- 2. Embryonic stem cells are cells extracted from the blastula , the very early embryo , that have an exceptional ability to duplicate in vitro , that is in a test tube , and to become cells of almost any tissue .