early blastula - Axtarish в Google
Blastulation is the stage in early animal embryonic development that produces the blastula. In mammalian development the blastula develops into the blastocyst.
Blastula, hollow sphere of cells, or blastomeres, produced during the development of an embryo by repeated cleavage of a fertilized egg.
Blastula. A hollow sphere of cells surrounding a fluid-filled cavity. Many animals produce a blastula stage embryo early in development, prior to gastrulation.
23 нояб. 2024 г. · After the cleavage has produced over 100 cells, the embryo is called a blastula. The blastula is usually a spherical layer of cells (the ...
BLASTULA PERIOD (2 1/4 - 5 1/4 h) We use the term blastula to refer to the period when the blastodisc begins to look ball-like, at the 128-cell stage, or 8th ...
The first cleavage division occurs about 50 minutes after fertilization and initiates at the animal/oral pole of the zygote, progressing to the aboral pole (Fig ...
The blastula is a hollow ball of cells organized into an epithelial monolayer (ie, it is a single cell layer thick).
The meaning of BLASTULA is an early metazoan embryo typically having the form of a hollow fluid-filled rounded cavity bounded by a single layer of cells.
In Xenopus, the Spemann organiser is defined as a dorsal territory in the early gastrula that initiates development of the embryonic axis.
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