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egg cell


  • WordNet 3.6
    • n egg cell the female reproductive cell; the female gamete
    • ***


In literature:

The egg which consisted of but one cell is now divided into two exactly equal parts, of the deepest significance.
"The Log of the Sun" by William Beebe
The whole progeny of cells, successively formed, are the pure offspring of the maternal egg-cell and its nucleus.
"More Science From an Easy Chair" by Sir E. Ray (Edwin Ray) Lankester
Remember in the first place that the young Sitaris which we find in a closed cell is always placed on the egg of the Bee.
"The Glow-Worm and Other Beetles" by Jean Henri Fabre
The Bee constructs her cell, stores it with honey, and lays her egg.
"The Beauties of Nature" by Sir John Lubbock
At the right is an ovum, egg, female germ-cell.
"Treatise on the Diseases of Women" by Lydia E. Pinkham
Here, the female cell or egg only reproduces itself exceptionally by parthenogenesis.
"The Sexual Question" by August Forel
In this case the female individual in both animal and plant produces eggs or egg-cells.
"Was Man Created?" by Henry A. Mott
Figure 207 is the equatorial plate from a female somatic cell of a young egg-follicle.
"Studies in Spermatogenesis (Part 1 of 2)" by Nettie Maria Stevens
The mother of the industrial brood makes her cell and provisions it, and lays her egg.
"Wild Bees, Wasps and Ants" by Edward Saunders
Essentially, it consists merely in the fact that the male sperm-cell coalesces with the female egg-cell.
"Homo-culture" by Martin Luther Holbrook
It is only found in egg and sperm cells, and in cancer cells.
"Syndrome" by Thomas Hoover
The ovary is divided into three cells, each containing two seed-eggs.
"Wayside and Woodland Trees" by Edward Step
In the larger cells she laid eggs that would hatch out Drones, and in the smaller ones she laid Worker eggs.
"Among the Forest People" by Clara Dillingham Pierson
How is an egg cell produced in hydra?
"A Guide for the Study of Animals" by Worrallo Whitney
Mary and I knew of course that this was a queen cell, and that at its base there was one of the eggs laid by the old queen in a worker cell.
"Insect Stories" by Vernon L. Kellogg
The egg or ovum has, moreover, a layer of cells immediately surrounding itself.
"The Cambridge Natural History, Vol X., Mammalia" by Frank Evers Beddard
In a many-celled animal the life history begins with a single cell, the fertilized egg.
"A Civic Biology" by George William Hunter
The eggs of insects are best mounted in the form of microscopic slides in glycerine jelly contained in cells of appropriate depth and diameter.
"Taxidermy and Zoological Collecting" by William T. Hornaday
The ovum, or egg, when discharged from the ovary, is at first surrounded by a few cells which serve as nourishment, but which soon disappear.
"Private Sex Advice to Women" by R. B. Armitage
The prominence becomes at the same time nearly constricted off from the egg as a polar cell.
"The Works of Francis Maitland Balfour, Volume 1" by Francis Maitland Balfour

In news:

Women have rare egg-producing stem cells.
Egg-Producing Stem Cells Found in Human Ovaries.
Mouse stem cells become fertile eggs.
Each of these mouse pups was born from an egg scientists created using embryonic stem cells.
Scientists create fertile eggs from mouse stem cells.
Each of these mouse pups was born from an egg scientists created using mbryonic stem cells.
Scientists in Japan report they have created eggs from stem cells in a mammal for the first time.
For the first time, scientists have created fertile eggs and healthy offspring using embryonic stem cells.
In nuclear transfer for infertility, the nuclei transferred are not from adult cells but from the sperm and egg of the people who are trying to become parents.
In nuclear transfer for infertility, the nuclei transferred are not from adult cells but from the sperm and egg of the people who are trying to become parents.
Pig oocytes (immature egg cells) are matured in the laboratory and fertilized.
Novartis, uses cultured animal cells instead of fertilized chicken eggs to create the vaccine.
Mouse stem cells used to produce eggs, Japanese scientists say.
Human Sperm and Egg Cells.
Scientists say they've mapped the entire genomes of 91 sperm from one man, the first time such gene mapping has been done in a human gamete ( sperm or egg cell).

In science:

In this network the initial egg division (the giant component) and alternative variants of neural post-embrionic cell lines are included in a 18-component graph representation.
Exploring the randomness of Directed Acyclic Networks
We ignore some complications of reality at represent the paternal genome in a sperm cell by one bit-string, and the maternal genome in the egg cell by another bit-string.
The Penna Model of Biological Aging
An analogous random crossover creates the haploid genome of the egg cell.
The Penna Model of Biological Aging
Scharf (as cited on page 91 of Stauffer et al 2006) offered the additional argument of pre-selection: Only the fastest sperm cell can fertilize the egg cell, and cells with bad mutations may move slower and thus are less likely to enter the egg cell.
The Penna Model of Biological Aging
We have developed a mathematical model of the DNA damage checkpoint in the G2 phase of frog egg and mammalian cell cycles (Ghosh and Bose 2005). The activation of the checkpoint arrests the cell cycle transition from the G2 to the M phase.
The p53-MDM2 network: from oscillations to apoptosis