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 ?
A team has discovered a distinctive pattern of epigenetic marks that are needed for egg cell stasis.
British researchers became the first in the world to produce healthy mice with a technique that bypasses the normal step of fertilising an egg cell with sperm.
Because the stem cells were a genetic match to the egg cell donor, they could also be used to develop cell-based therapies for diseases such as blindness, diabetes, or other conditions in which genetically identical cells offer a therapeutic advantage.
So the team came up with a second approach: move the nucleus of the patient's skin cells, which contains most of their genes, into a donor egg cell with healthy mitochondria.
With this technique, a donated egg cell will contribute its healthy cytoplasm and mitochondria, but the nuclear DNA will come from the mother's egg and will thus express the mother's family traits.
Pridal and Hofbauer (1998) found that queens that had already had an egg cell but destroyed it accept the given cocoon faster than the first one.
It involves transplanting the nucleus of one cell, containing an individual's DNA, into an egg cell that has had its genetic material removed.
During SCNT, a donor cell nucleus is transferred to an egg cell whose own nuclear DNA has been removed.
Today, fertilization is understood to involve the fusion of one sperm cell with one egg cell.
STUDY egg cell They will ask for a licence to try to fertilise the lab-grown egg cells to prove they are viable.
He will insert this chemical, which carries hereditary information, into the reproductive egg cell of a female African elephant (see diagram, right).
Inside this heart-shaped box are five mini microbes a sperm cell, a egg cell, kissin disease, penici and an exclusi Amoeba.