What Is the Definition of Gastrula?


Gastrula is an embryo found after the blastocyst or blastula stage of development. It has a two-layered and hollow endoderm and ectoderm sac going round an archenteron which interacts with the exterior via the blastopore.
1 Additional Answer
Ask.com Answer for: what is the definition of gastrula
a metazoan embryo in an early state of germ layer formation following the blastula stage, consisting of a cuplike body of two layers of cells, the ectoderm and endoderm, enclosing a central cavity, or archenteron, that opens to the outside by the blastopore: in most animals progressing to the formation of a third cell layer, the mesoderm.
Source: Dictionary.com
Q&A Related to "What Is the Definition of Gastrula"
gastrula: double-walled stage of the embryo resulting from invagination of the blastula
You should really be asking this in the science forum, but zygote, blastula and gastrula are all stages in the development of animals/humans. Zygote is the first stage--before anything
gas'trū-lă The embryo in the stage of development following the blastula or blastocyst; in lower forms with minimal yolk, it is a simple double-layered structure consisting
suffix meaning an "embryonic stage after the blastula": amphigastrula, discogastrula, paragastrula.
Explore this Topic
The word discogastrula is a noun that refers to a gastrula that is derived from a blastoderm. A gastrula is an embryo at the stage that follows the blastula. It ...
Archheretic is the central cavity of the gastrula, which ultimately becomes the intestinal or digestive cavity. It can also be used to explain something relating ...
Archaeostoma is what is applied to a gastrula when the blastopore does not entirely close up. It is an opening from the archenteron, the primitive gut, to the ...
About -  Privacy -  AskEraser  -  Careers -  Ask Blog -  Mobile -  Help -  Feedback © 2014 Ask.com