Communication between female tract and sperm
نویسندگان
چکیده
منابع مشابه
Sperm transport in the female reproductive tract.
At coitus, human sperm are deposited into the anterior vagina, where, to avoid vaginal acid and immune responses, they quickly contact cervical mucus and enter the cervix. Cervical mucus filters out sperm with poor morphology and motility and as such only a minority of ejaculated sperm actually enter the cervix. In the uterus, muscular contractions may enhance passage of sperm through the uteri...
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Do sperm possess a molecular passport? Mechanistic insights into sperm selection in the female reproductive tract.
Most male mammals produce far more spermatozoa on a daily basis than is strictly necessary for reproduction and females have evolved mechanisms that prevent all but a small minority from reaching the vicinity of their oocytes. One potential explanation for the stringent selection is that females have developed these mechanisms as a way of avoiding polyspermy as well as exercising post-copulator...
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ژورنال
عنوان ژورنال: Communicative & Integrative Biology
سال: 2009
ISSN: 1942-0889
DOI: 10.4161/cib.7502