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- Blastoderm - Wikipedia
The blastoderm forms a thin layer of cells that lies on top of the yolk or along the inner surface of the egg membrane, depending on the species In birds, this sheet separates into 2 regions: the area pellucida and the area opaca surrounding it
- Blastoderm | biological membrane | Britannica
…epithelial (covering) layer, called the blastoderm, enclosing a fluid-filled cavity, the blastocoel After the blastula develops, it undergoes transition to the gastrula (q v ), a process called gastrulation
- BLASTODERM Definition Meaning - Merriam-Webster
blastoderm noun blas· to· derm ˈbla-stə-ˌdərm : a blastodisc after completion of cleavage and formation of the blastocoel
- Blastoderm | definition of blastoderm by Medical dictionary
blastoderm the layer of cells formed by cleavage of the fertilized egg in the presence of large amounts of yolk, e g in birds, so that the blastoderm forms on one side of the yolk mass, initially as a small blastodisc
- Blastoderm Definition Meaning | YourDictionary
Blastoderm definition: The part of a fertilized ovum that gives rise to the germinal disk from which the embryo develops
- Blastoderm - an overview | ScienceDirect Topics
Blastoderm is defined as the first epithelium that develops in the Drosophila embryo, consisting of a single-layered epithelium of approximately 5000 cells formed by membrane projections between individual nuclei in the syncytial blastoderm
- 43. 5B: Cleavage, the Blastula Stage, and Gastrulation
After the cleavage has produced over 100 cells, the embryo is called a blastula The blastula is usually a spherical layer of cells (the blastoderm) surrounding a fluid-filled or yolk-filled cavity (the blastocoel)
- Blastulation - Wikipedia
Blastulation is the stage in early animal embryonic development that produces the blastula In mammalian development, the blastula develops into the blastocyst with a differentiated inner cell mass and an outer trophectoderm
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