Article: egg cell
A Dictionary of Nursing;      4 words ...egg cell (eg) n. see ovum .

Article: venter
A Dictionary of Biology;      13 words ...venter The swollen base of an archegonium , in which the egg cell (oosphere) develops.

Article: Aspermia
World of Forensic Science;      478 words ......the testes constantly produce sperm. Sperm cells are collected in the epididymus (a small...a thick, highly concentrated mass of sperm cells (approximately 100 million cells) from...during ejaculation. The function of the sperm cells is to provide male germ cells capable...

Article: (book reviews)
The Journal of Sex Research;  November 1, 1998 ;     700+ words ......preformationists could only be ovists, because sperm cells had not yet been observed. She enlivens...Antoni van Leeuwenhoek's discovery of sperm cells (a type of animalcule for the early...explaining the vast number of wasted sperm cells). The rest of her book explores various...

Article: Lab-Grown Egg Cells.
Special Delivery;  September 22, 1996 ;     86 words ...Scientists are now able to take an immature egg cell harvested from the ovary of a newborn mouse and grow the egg cell to maturity out of the mouse's body. The egg cell is later fertilized in vitro and then transferred to the oviduct...

Article: Semen and Sperm
World of Forensic Science;      441 words ......glands to support and nourish the living sperm cells (spermatozoa) contained within the semen. Sperm cells are haploid sex cells of the male. Unlike...hydration regulation that promotes viable sperm cells. The semen also provides initial protection...

Article: ovulation
A Dictionary of Biology;      53 words ...ovulation The release of an egg cell from the ovary, which in mammals is stimulated by luteinizing hormone . The developing egg cell within its follicle migrates to the ovary surface; when mature, it is released from the follicle (which breaks open...

Article: Sperm cells promote regeneration of brain cells.
Business Wire;  August 16, 1996 ;     181 words ...SOUTH SAN FRANCISCO--(BUSINESS WIRE)--Aug. 16, 1996--Sperm cells from the testes of humans, implanted into the brain of victims...cell that releases an immuno-suppressive agent that enables sperm cells to survive and grow. Animal tests have shown that transplanting...

Article: ovum
A Dictionary of Nursing;      14 words ...ovum ( egg cell ) ( oh -vŭm) n. (pl. ova) the mature female sex cell (see gamete ).

Article: conception
A Dictionary of Biology;      22 words ...conception The fertilization of a mammalian egg cell by a sperm cell, which occurs in the fallopian tube. Conception is followed by implantation .

Article: Ultrastructure of male genital system and spermatozoa of a Mexican camel-spider of the Eremobates pallipes species group (Arachnida, Solifugae).
Journal of Arachnology;  May 1, 2005 ;     700+ words ......Eremobates sp., within the germinal part the sperm cells are groups of a few, probably four, mature sperm cells each surrounded by thin extensions of...Ammotrechidae or Karschiidae, for which sperm cells have already been described, the sperm...

Article: synergids
A Dictionary of Biology;      23 words ...synergids The two nuclei in the embryo sac of flowering plants that are closely associated with the oosphere, or egg cell, to form the egg apparatus .

Article: Sperm washing. (HIV & Pregnancy Update).
WORLD;  October 1, 2002 ;     182 words ......collecting semen, then separating the sperm cells (which, according to certain studies...not contain HIV) from the non-sperm cells (which do contain HIV). Once separated...If the HIV test shows that the sperm cells are below the limit of HIV detection...

Article: Scientists urge IVF caution.
The Star (Sheffield) (Sheffield, England);  April 16, 2007 ;     370 words ...SHEFFIELD scientists today urged caution after immature sperm cells were created from human bone marrow. The breakthrough raises...many years away. But scientists hope to grow fully formed sperm cells in as little as three years. The latest research, conducted...