from the GNU version of the Collaborative International Dictionary of English
- adj. the two layers of cells, the ectoblast and entoblast, which form respectively the outer covering and inner wall of the gastrula. A third layer of cells, the mesoblast, which is formed later and lies between these two, is sometimes included.
Sorry, no etymologies found.
Sorry, no example sentences found.
Wordnik is becoming a not-for-profit! Read our announcement here.