Introduction to cleavage, Biology

Assignment Help:

INTRODUCTION -

  1. Karl Von Baer - Coined the term cleavage. Swammerdom - First time seen cleavage.
  2. Prevost and Dumas - Reported cleavage of frog's egg. Spllanzani - Detailed process of cleavage of frog's egg.
  3. Balfour - Explained that, the rate of cleavage depend upon the amount of yolk.
  4. Process of progressive subdivision of the zygote by mitotic cell division into an increasing number of cells of progressively decreasing size is called cleavage.
  5. Clevage is a rapid mitotic division of zygote to form a hollow, spherical & multicellular embryo.
  6. Cleavage is also called cellulation or segmentation.

Related Discussions:- Introduction to cleavage

How to investigate aortic stenosis by exercise testing, Q. How to investiga...

Q. How to investigate aortic stenosis by Exercise Testing? Exercise testing is relatively contraindicated in patients with aortic stenosis. Its diagnostic accuracy to pick up a

What are the four groups of protozoans, What are the four groups of protozo...

What are the four groups of protozoans? The four major groups of protozoans are the sarcodines (that form pseudopods, like amoebae), the mastigophores (flagellated, such as the

Phlum arthropoda, how to write a project on phylum arthropoda

how to write a project on phylum arthropoda

What is pancreatic lipase, What is Pancreatic lipase Pancreatic lipas...

What is Pancreatic lipase Pancreatic lipase  acts on  the dietary triacylglycerols after it has been incorporated into the mixed micelle  in  the  intestinal lumen. The lipa

Chemical reactions which are catalysed by enzymes, Give two examples of che...

Give two examples of chemical reactions which are catalysed by enzymes in the course of brewing.  In the course of brewing, enzymes in the grain catalyse the conversion of star

Who receive any future pandemic flu vaccine, Since the availability of flu ...

Since the availability of flu vaccine is limited, who should receive any future pandemic flu vaccine?

Explain scombroid poisoning, Q. Explain scombroid poisoning? Ingestion ...

Q. Explain scombroid poisoning? Ingestion of improperly handled and stored seafood (yellow-fin tuna, skipjack, bonit and mackerel) causes scombroid poisoning. Maitoxin has been

Temporary partial disability - injury from an accident, Temporary Partial D...

Temporary Partial Disability - Injury from an Accident Such types of injuries which are easily recoverable and may not incapacitate the victim to perform duty apart from for

Fever, Fever influenza

Fever influenza

Pericardiocentesis, Pericardiocentesis It is removal of fluid form the...

Pericardiocentesis It is removal of fluid form the pericardial sac. It is a specialized procedure done n ICU or cardiac cath lab or OT. A 16 or 18 gauge needle is inserted

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