Blastulation, Biology

BLASTULATION -

  1. Type of blastula is blastocyst or trophoblastula.
  2. Outer layer of cell becomes flat and form trophoblast or trophoectoderm which receives nutritive materials from endometrial glands.
  3. Blastocoel or segment cavity present. Towards A.P. cells mass form embryonal knob.
  4. This side is also called embryonic pole, opposite to it is abembryonic pole.
  5. Zona pellucida disappear at the time of blastocyst formation.
Posted Date: 10/3/2012 6:11:52 AM | Location : United States







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

Write discussion on Blastulation
Your posts are moderated
Related Questions
Breeding of crops with high levels of minerals, vitamins and proteins is called: 1. Somatic hybridisation 2. Biofortification 3. Biomagnification 4. Micropropagation

What was the case of Phineas Gage Some Procedures are not used experimentally on humans, but sometimes brain tissue is ablated for medical reasons such as the excision of tumo

Hydration Properties  General conformation of individual proteins in solution is largely dependent on the interaction with water.  The progressive hydration of proteins startin

Isolation of dna fragments bound strongly with protein 1.     Through pcr Pcr permits isolation of dna fragments from genomic dna through selective amplification of a spe

Planning of Nursing Care   Provide supportive and symptomatic treatment.  Provide bed rest.  Encourage diet restriction,  Implementation  of Nursing Care

Define Precautions for Quantitative Determination of Viable Microbes? 1. Dilution should be made carefully. 2. Use fresh sterile pipette for making each dilution. 3. Asep

Q. Symptoms of Angina Pectoris? The pain of angina is usually over the center of the chest (below the sternum) but can be felt from epigastrum to the jaw and arms. It is brough

What is Procambium? The procambium produces cells that eventually become the vascular tissues xylem and phloem. These primary vascular tissues form a core in the center of th

Which of the following best describes the role that restriction enzymes play in bacteria? A. Restriction enzymes recognize and digest bacteriophage genomes after an initial inf

Principles of behaviour change communication - BCC should be integrated with program goals from the starting. BCC is a necessary part of diabetes prevention, care and support p