Dictionary > Meroblastic cleavage

Meroblastic cleavage

Definition
noun
(embryology) The incomplete cleavage in telolecithal or megalecithal eggs of animals, such as birds and reptiles.
Supplement
Depending mostly on the amount of yolk in the egg, cleavage can be holoblastic (complete or total) or meroblastic (partial).
In meroblastic cleavage, only a portion of the egg divides. This is because of the large amount of yolk in the egg cell that the cleavage furrows do not penetrate the yolk.
Two major types of meroblastic cleavage:

Synonyms:

  • incompete cleavage
  • partial cleavage

    • Compare: holoblastic cleavage

    Last updated on July 28th, 2021

    You will also like...

    squirrel
    Animal Water Regulation

    Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

    Plant Water Regulation
    Plant Water Regulation

    Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..

    Water Cycle
    The Water Cycle

    The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..

    Adaptation Tutorial
    Adaptation Tutorial

    Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..

    Plant biology
    Plant Biology

    Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..

    Early Earth
    The Origins of Life

    This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

    Related Articles...

    No related articles found

    See all Related Topics