fertilized ovum

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Related to fertilized ovum: Zygotes

fer·til·ized o·vum

an ovum impregnated by a sperm.
See also: zygote.
References in periodicals archive ?
To confirm these results, the researchers used an experimental model to test the effect of keeping the Suv4-20h2 active in the fertilized ovum.
PGD is genetic diagnosis performed before the fertilized ovum is restored to the uterus.
Once, during a lecture on egg production, I jumped up onto one desk and said that I was the fertilized ovum in a hen.
His research initially centered on how a fertilized ovum becomes an embryo and how ova can be fertilized outside a woman's body (in vitro fertilization).
Ova fertilization and sperm number per fertilized ovum for selenium and vitamin E-treated Charolais cattle.
It is ludicrous to think that a fertilized ovum, an embryo, or even a fetus before at least 20 weeks (probably 25) is a person in any reasonable sense of the term.
Second, because the mechanism by which the drug prevents pregnancy isn't definitely known, some on the committees argued that levonorgestrol could, at least at times, prevent implantation of a fertilized ovum, which some view as a form of abortion, hence unacceptable.
Simplicity employs the same underlying technology as other pregnancy tests, measuring levels of hCG, the hormone secreted by a fertilized ovum.
Simplicity uses the same underlying technology as other pregnancy tests currently on the market, measuring levels of hCG, the hormone secreted by a fertilized ovum.
Modern birth control pills are estrogen, which inhibit implantation of the fertilized ovum into the uterus.
So many of the terms used to describe the embryo in its earliest stages -- blastocyst, zygote, fertilized ovum -- seem designed to dehumanize it.
First, there is the matter of "emergency contraception," more commonly known as the morning-after pill, which works up to 72 hours after unprotected sex by preventing fertilization or by interrupting the implantation of a fertilized ovum in the uterine wall so that a pregnancy never occurs.