Scientists in Mainz and Aachen have discovered a new mechanism that controls egg cell fertility and that might have future therapeutic potential. It was revealed by Professor Dr. Walter Stöcker of the Institute of Zoology ...
Cell & Microbiology
Apr 24, 2013
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Eggs take a long time to produce in the ovary, and thus are one of a body's precious resources. It has been theorized that the body has mechanisms to help the ovary ensure that ovulated eggs enter the reproductive tract at ...
Cell & Microbiology
Apr 17, 2013
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(Phys.org) —A team of paleontologists with the Chinese Academy of Sciences in Beijing has discovered what are believed to be fossilized ovarian follicles in three birds from approximately 125 million years ago. As they ...
A short walk around the barn might improve the future fertility of Yorkshire gilts. According to research presented by Samantha Kaminski, a graduate student at North Dakota State University, swine fetuses showed significant ...
Plants & Animals
Mar 12, 2013
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For human cells, researchers have adopted practices that are currently used for human identification, which are based on the detection of short tandem repeat (STR) markers. For the large volume of research that is performed ...
Biotechnology
Jan 28, 2013
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(Phys.org)—Researchers at the University of Glasgow have discovered the behaviour and metabolism of young trout is affected by where the egg they hatched from rested in the ovaries of their mother.
Plants & Animals
Nov 28, 2012
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Worker bees have become a highly skilled and specialized work force because the genes that determine their behaviour are shuffled frequently, helping natural selection to build a better bee, research from York University ...
Plants & Animals
Oct 15, 2012
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More and more really tiny species are being discovered, like a 7.9mm fish in 2006 and a 7.7mm frog in 2011. There's increasing competition for the title of the 'world's smallest vertebrate', but exactly how do you determine ...
Plants & Animals
Sep 17, 2012
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Sperm swim, lung cells sweep mucus away, and the cells in the female Fallopian tube move eggs from the ovary to the uterus. Underlying these phenomena are flagella – slender, hair-like structures extending from the surface ...
Cell & Microbiology
Aug 13, 2012
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(Phys.org) -- For years biologists have puzzled over how it is that elephants are able to maintain such long pregnancies, which typically run to nearly two years. While many theories have been tossed around, no one really ...
