Vitellogenesis, Biology

Assignment Help:

Vitellogenesis

Vitellogenesis is the stage where much of the oocyte growth occurs. The completion of second maturation division (meiosis), which may occur after ovulation, results in ripe egg or ovum. In some species such as sea urchins and frogs, the female produces hundreds or thousands of eggs at a time where as in most mammals including humans only a few eggs are produced in the entire lifetime of the individual. In this section we shall discuss oogenesis in two groups of animals,

 (1) The amphibians as an example of organisms which produce yolky eggs and

 (2) Mammals, as an example of organisms whose eggs do not contain any yolk.


Related Discussions:- Vitellogenesis

Fundamental structure of the hiv virus, Q What is the fundamental structure...

Q What is the fundamental structure of the HIV virus? What is the function of the glycoproteins of its envelope? HIV is an RNA virus in its core there are two strands of RNA an

What are steroids, What are steroids? What are some examples of steroids wi...

What are steroids? What are some examples of steroids with a biological function? Steroids are lipids based in an angular combination of four carbon rings, three of them made o

Define isotope dilution method, Define Isotope Dilution Method? The mea...

Define Isotope Dilution Method? The measurement of total body water (TBW) is based on the principle of hydrometry. You must be aware that water is the most abundant substance i

Define reagents required and methodology for benedict test, Define reagents...

Define reagents required and methodology for Benedict Test? Reagents Required - Sugar solutions of glucose, fructose, galactose, maltose, lactiose, sucrose and starch.

What is the initial maintenance steps of implants, Initial Maintenance Step...

Initial Maintenance Steps of implants It is very essential, that from the beginning of the patient interaction regarding the implant therapy, through the diagnosis and planning

What is multi-gated equilibrium radionuclide angiography, Q. What is Multi-...

Q. What is Multi-gated equilibrium radionuclide angiography? Multi-gated equilibrium radionuclide angiography (MUGA) is a very accurate method in measuring ejection fraction. R

Explain resistance to infection in nutritional care, Explain Resistance to ...

Explain Resistance to Infection in Nutritional Care? Amino acids help to build the body's defence mechanisms like antibodies, blood cells, hormones and enzymes so as to prevent

Define the first step to envision the pattern of deformation, Define the fi...

Define the first step to envision the pattern of deformation. The first step in the analysis is to envision the pattern of deformation that would accompany such a failure. In t

Epidermis of birds - reptiles and mammals, Q. Which are the glands present ...

Q. Which are the glands present in the epidermis of birds, reptiles and mammals? In the epidermis of reptiles and birds there are practically no glands. In mammals there are se

Pancreas and its structure, PANCREA S - It is derived from the endoder...

PANCREA S - It is derived from the endoderm of the embryo. Structure . The pancreas lies inferior to the stomach in a bend of the duodenum. It is both an exocrine an

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