from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation.
from the GNU version of the Collaborative International Dictionary of English
- adj. The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation.
from The Century Dictionary and Cyclopedia
- n. Cell-substance of an ovum surrounding the nucleus.
A first cleavage of the stem-cell (cytula), B division of same into four segmentation-cells (only two visible), C the germinal disk divides into the blastoderm (b) and the periblast (p). d nutritive yelk, f fat-globule, c ovolemma, z space between the ovolemma and the ovum, filled with a clear fluid.)