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Oviduct in Medical News

Significantly higher success rates with artificial insemination

...r orange colour.' Under natural conditions insemination takes place in the oviduct. After that the ovum begins to divide, while contractions of the oviduct transport it to the uterus. This process takes just under 2-3 days. When the embryo lodges in the endometrium on the sixth day after insemination, the...

Female Ducks Develop Complicated Genitals to Outwit Aggressive Males

... spiral, but it twists in the opposite, counterclockwise, direction," said Yale ornithologist Richard Prum in a statement. "So, the twists in the oviduct appear designed to exclude the opposing twists of the male phallus. It's an exquisite anti-lock-and-key system." Brennan believes females evolved...

Female Ducks Develop Complicated Genitals to Outwit Aggressive Males

...a spiral, but it twists in the opposite, counterclockwise, direction," said Yale ornithologist Richard Prum in a statement. "So, the twists in the oviduct appear designed to exclude the opposing twists of the male phallus. It's an exquisite anti-lock-and-key system." Brennan believes females evolved ...
Oviduct in Medical Dictionary

Insemination

...rm (AID) ... Information about insemination in the free online English ... artificial insemination , AI - the introduction of semen into the oviduct or ... Artificial Insemination - Further Readings on the legal issues. Rainbow Families Counsel ... Learning how to do an at-home insemination ...
Oviduct in Biological News

New evidence for female control in reproduction

...t leads to alteration of protein production in the oviduct and a change in the oviductal environment. We speculate that this is mainly done to prepare oviduct environment for storing sperm, fertilization and e...s for this effect. While sperm interaction with oviduct cells has been studied in laboratory cultures, the...

Study by Pittsburgh researchers identifies possible vaccine target for chlamydia

...oratory and first author of the study. Not only did the mice not develop oviduct scarring after infection with the plasmid-deficient strain, we also found that the mice previously infected with these strains were protected against oviduct disease when later infected with fully virulent C. muridarum, Dr. OConnell ...

First production of human monoclonal antibodies in chicken eggs published in Nature Biotechnology

...ific report of fully functional, human sequence monoclonal antibodies (mAbs) produced in chickens. The antibodies were expressed solely in the chicken oviduct and deposited into egg white in concentrations of 1-3 milligrams per egg. Moreover, antibodies produced in this manner demonstrated 10-100 fold greate...
Oviduct in Biological Dictionary

Oviduct

In oviparous animals, the passage from the ovaries to the outside of the body is known as the oviduct . The eggs travel along the oviduct . These eggs will either be fertilized by sperm to become a zygote, or will degenerate in the body. oviduct ( ) n. A tube through which the ova pass fro...

Zona pellucida

...t ... altered mice lacking a zona pellucida due to loss of ZP3, 2-cell ... The Zona Pellucida . Pick-up of the Oocyte Cumulus Complex by the oviduct ... ZP = zona pellucida , O = oocyte, yellow = granule-filament ... THE ZONA PELLUCIDA : ... Binding of sperm to the zona pellucida is ...

Shell membrane

...he inner shell membrane . ... ... and to prevent it from rising and bruising itself on the shell membranes . ... Isthmus: The portion of the oviduct where the egg shell membranes are laid down. ... The empty space between the white and shell at the large end of the egg. ... and the inne...

Secondary oocyte

... The secondary oocyte is produced along with the first polar body as a result of ... Genetically, the secondary oocyte that arrives in the oviduct is in metaphase of ... Oocyte summary with 3 pages of encyclopedia entries, essays, summaries, research ... oocyte undergoes MEIOSIS (see CE...

Oviducts

... oviduct is also another name for Fallopian tube ... The eggs travel along the oviduct . ... The oviduct in birds is divided in several parts: ... The ...

Follicles

... Collectibles, Car Parts, Food, and the Good Things in Life. Ovary - Primordial and Primary Follicles - H&E. Ovary - Corpus luteum - H&E. oviduct ... Given that atresia affects follicles at various stages of their ... Scarring alopecia affects both men and women, and it can cause irreversib...
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