What Is The Function Of The Vitellus In The Vertebrate Egg How Are These Eggs Classified According To The Amount Of Vitellus Within Them

What Is The Function Of The Vitellus In The Vertebrate Egg How Are These Eggs Classified According To The Amount Of Vitellus Within Them


  • 10 Jan, 2012

    Vitellus (yolk) is the nutritive material that accumulates in the cytoplasm of the egg (zygote) with the function of nourishing the embryo. According to the amount of vitellus in them, the vertebrate eggs are classified as oligolecithal (little yolk), centrolecithal, or heterolecithal (more yolk diffusely distributed) and telolecithal (more yolk concentrated in one end of the egg).

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