Gastrulation, Biology

Gastrulation 

  1. Gastrulation is the process through which the presumptive areas of organ specific rudimetns present on the surface of blastula move to their specific position where these occur in the adult.
  2. The blastula forms gastrula and the process of formation of the gastrual is called as gastrulation.
  3. The blastocoel is gradually lost and there is formation of new cavity called gastrocoel or archenterone.
  4. In gastrulation, morphogenetic movements results in the formation of three germ layers.
  5. The gastrocoel has a pore which is called as blastopore.
  6. In protostomia, the blastopore forms mouth. Examples - Coelenterata to mollusca.
  7. In deuterostomia, the blastopore forms anus. Examples - Echinodermata, hemichordata & chordata.
  8. Initially, the gastrula is diploblastic i.e. it consists of ectoderm & endoderm lateron with the formation of mesoderm it becomes triploblastic.
  9. Gastrula is also called as "pouch-within a pound" or "tube-within-a tube" stage.
Posted Date: 10/4/2012 5:25:59 AM | Location : United States







Related Discussions:- Gastrulation, Assignment Help, Ask Question on Gastrulation, Get Answer, Expert's Help, Gastrulation Discussions

Write discussion on Gastrulation
Your posts are moderated
Related Questions
Q. Do the -H groups bound to the central carbons participate in the peptide bond? The central carbons themselves, the -R groups and the hydrogen attached to the central carbons

Enumerate about the Traumatic brain injuries Brain injury is a common result of automobile and industrial accidents and of war injuries. Brain injury can affect brain function

Five Kingdom Classification Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

How plants solve the problem of transporting substances throughout their tissues? In the bryophytes the substance transport is done by the diffusion. In the tracheophytes (pter

What is blood typing? Blood typing is the determination, by means of tests, of the categorization of a blood sample concerning blood group systems (specially the ABO system and

What is consanguineal marriage? Why is the appearing of genetic disease more probable in the offspring of a consanguineal marriage? The Consanguineal marriage is the marriage b

Threatened Species - Wildlife Many plant and animal species are threatened by the possibility of extinction. However, the seriousness of the threat varies. For example, a spec

Q. What is the function of the immune system? The immune system performs specific defense against agents the antigens that are harmful to the body or foreign. Exogenous anti

Explain the interaction of vitamin A with Iron? Iron: Iron status of an individual correlates with vitamin A. The deficiency of  vitamin A has been found to be associated with

Congenital disorders Poor fertilizing quality of semen could be due to impaired spermatogenesis. When such a condition is due to genetic congenital causes the treatment is not