egg cell


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egg cell

n.
See egg1.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.egg cell - the female reproductive cellegg cell - the female reproductive cell; the female gamete
egg - animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds
gamete - a mature sexual reproductive cell having a single set of unpaired chromosomes
ootid - mature ovum after penetration by sperm but before the formation of a zygote
ovule - a small or immature ovum
female reproductive system - the reproductive system of females
References in periodicals archive ?
The latter procedure removes the nucleus of a somatic cell and transfers it to an enucleated egg cell.
There are few phenomenon in cell biology as remarkable as the ability of the egg cell to reprogram a cell from the human body back to its original embryonic state," said Dr.
Researchers will take a skin cell, invisible to the naked eye, and put it into an ovum ( an egg cell ( which has not been fertilised and therefore would never form a human being.
Blastocyst: After the nucleus of a somatic cell is inserted into the place of the evacuated egg cell nucleus, the resulting cell begins to grow and divide.
The process of human cloning begins with removal of the nucleus from a human cell, such as a skin cell and transferring it to a woman's egg cell from which the nucleus has been removed.
For dais to happen, these cells must first join their genetic material together to form a fertilized egg cell with a totally new and unique version of the human genome.
Eleanor Nicoll, public affairs manager for the American Society for Reproductive Medicine, reports that scientists at the Weill Medical College of Cornell University in New York City are working on a method to replace the genetic material in a female egg cell with the nucleus of a 46-chromosome male cell.
In this technique an egg cell is activated without being fertilized by a sperm cell.
The second, third and fourth steps of this process, respectively, are the acrosomal reaction, the sperm cell and egg cell adhesion through the vitelline envelope, and the actual membrane contact between the two cells.
ACT scientists said they had grown a six-cell human embryo using a human egg cell and a human skin cell to create the clone.
Scientists can take an egg cell, remove its DNA, insert DNA from a cell of any person, and create an embryo who is that person's younger but identical twin.
The nucleus will be implanted into an egg cell extracted from the ovaries of the woman after the nucleus of the egg cell is destroyed.