blastoderm
Kelime Anlamı :

1. germ yaprağ.
2. Gelişen embriyoda üç ana tabaka (ectoderm, entoderm, mesoderm)'nın belirlendiği devredeki hücre kümesi.
3. blastoderm.
Tanımlar :
1. the layer of cells that develops on the surface of the yolk in an avian or reptilian egg and gives rise to the germinal disk from which the embryo develops.
2. the layer of cells formed by the cleavage of a fertilized mammalian egg. it later divides into the three germ layers from which the embryo develops.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. the germination point in an ovum from whence the embryo develops.
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. the early embryo developing from a blastodisc, after the blastocoel has formed.
2. in an insect embryo, the layer of cells that surrounds the internal mass of the yolk.
from the GNU version of the Collaborative International Dictionary of English
1. in embryology, the primitive membrane or layer of cells resulting from the subdivision of the germ (the segmentation of the vitellus or yolk).
from The Century Dictionary and Cyclopedia
1. a layer of cells on the inside of the blastula
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.