zygote (redirected from zygotic)

zygote /zy·gote/ (zi´gōt) the diploid cell resulting from union of a male and a female gamete. More precisely, the cell after synapsis at the completion of fertilization until first cleavage.zygot´ic

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zy·gote (zgt)

n.

1. The cell that is formed by the union of two gametes, especially a fertilized ovum before cleavage.

2. The organism that develops from a zygote.

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zy·gotic (-gtk) adj.

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Zygote

The result of the sperm successfully fertilizing the ovum. The zygote is a single cell that contains the genetic material of both the mother and the father.

Mentioned in: Ectopic Pregnancy, Infertility, Infertility Therapies, Turner Syndrome

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zygote

[zī′gōt]

Etymology: Gk, zygon, yoke

the combined cell produced by the union of a sperm pronucleus and an egg pronucleus at the completion of fertilization until the first cleavage. Also called zygocyte.

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zygote [zi´gōt]

the cell resulting from union of a male and a female gamete; the fertilized ovum (see also reproduction). More precisely, the cell after synapsis at the completion of fertilization until first cleavage. adj., adj zygot´ic.

Development of the zygote. A, A sperm enters the ovum. B, The 23 chromosomes from the sperm mingle with the 23 chromosomes from the ovum, restoring the diploid number to 46. C, The fertilized ovum, now called a zygote, is ready for the first mitotic cell division. From McKinney et al., 2000.

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zygote

the cell resulting from union of a male and female gamete; the fertilized ovum. More precisely, the cell after synapsis at the completion of fertilization until first cleavage.