Blastulation, Biology

Assignment Help:

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.

Related Discussions:- Blastulation

Drug dependence, DRUG DEPENDENCE - Some drugs are prescribed by doctor ...

DRUG DEPENDENCE - Some drugs are prescribed by doctor for the prevention or treatment of a disease. Some drugs are used for long periods. A person becomes addict to these

Describe prematurity in coronaw artery disease, Describe Prematurity in cor...

Describe Prematurity in coronaw artery disease ? CAD in Indians tends to be more aggressive and manifests at a younger age. Generally CAD occurring before the age of 55 years i

What essential function do serve, Why do membranes figure so prominently in...

Why do membranes figure so prominently in eukaryotic cells? What essential function do they serve?

fungi, Fungi The study of fungi (s. fungus) is called mycology. Fungi...

Fungi The study of fungi (s. fungus) is called mycology. Fungi are unicellular or multicellular chemoheterotrophic eukaryotes. They may be grouped into yeasts, molds and funga

How to create a 20 organism ecosystem quick, i need to create a 20 organism...

i need to create a 20 organism forest ecosystem, help?

What are the most important worm infections, Q. What are the most important...

Q. What are the most important worm infections? The most significant human worm infections are taeniasis, schistosomiasis, cysticercosis, ascariasis and ancylostomiasis (hookwo

Give the introduction to congenital heart disease, Give the introduction to...

Give the introduction to Congenital Heart Disease ? The past 3 or 4 decades have witnessed a revolution in pediatric cardiac sciences. A number of conditions previously conside

Which type neurons work for spinal arch reflex, Q. Which are the kinds of n...

Q. Which are the kinds of neurons that participate in the spinal arch reflex? Where are their cell bodies situated? In the arch reflex first a sensory neuron located in the gan

Removal of obturating material -endodontics principles, Removal of obturati...

Removal of obturating material -Gutta percha . -Carrier  bassed gutta perca. -silver points . - paste type. - obstructed fracture instrument .

Cell and molecular, Compare and contrast the effect of a deletion in the op...

Compare and contrast the effect of a deletion in the operator of the lactose operon with one in the operator of the tryptophan operon.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd