- yolk cells
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Primary yolk cells that take no part in the blastoderm formation.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
yolk cells
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yolk cells — In those eggs in which the yolk is not distributed evenly (telolecithal eggs) the cells formed when cleavage reaches the yolk region can be termed yolk cells … Dictionary of molecular biology
yolk plug — n a mass of yolk cells found in the blastopore of the embryos of some vertebrates * * * the mass of yolk cells protruding from the blastopore of amphibians at the end of gastrulation … Medical dictionary
yolk plug — noun : a pluglike mass of yolk cells found in the blastopore of the embryos of some vertebrates … Useful english dictionary
Yolk plug — is the remaining patch of endodermal cells that is created during the formation of the ventral lip of the blastopore. It is a patch of large endodermal cells which remains exposed on the vegetal surface of the amphibian blastula that will… … Wikipedia
Yolk sac — Not all yolk has to do with birds’ eggs. Human embryos have a yolk sac, a membrane outside the embryo but connected by a tube (the yolk stalk) though the umbilical opening to the embryo’s midgut. The yolk sac serves as an early site for … Medical dictionary
yolk plug — noun The large edible endothermal cells surrounded by the blastopore of an amphibian gastrula during its later stages … Wiktionary
yolk sac — vitelline sac the membranous sac, composed of mesoderm lined with endoderm, that lies ventral to the embryo. It is one of the extraembryonic membranes. Its initially wide communication with the future gut is later reduced to a narrow duct passing … The new mediacal dictionary
deep cells — Cells (blastomeres) in the teleost blastula that lie between the outer cell layer and the yolk syncytial layer, and are the cells from which the embryo proper is constructed during gastrulation; much studied in the fish, Fundulus … Dictionary of molecular biology
Egg yolk — Not to be confused with yoke. An intact yolk surrounded by egg white An egg yolk is a part of an egg which feeds the developing embryo. The egg yolk is suspended in the egg white (known alternatively as albumen or glair/glaire) by one or two… … Wikipedia
Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… … Medical dictionary
