نتایج جستجو برای: menstruation
تعداد نتایج: 10148 فیلتر نتایج به سال:
Journal:
:Journal of the American Medical Association
1903
Journal:
:JAMA: The Journal of the American Medical Association
1889
Journal:
:JAMA: The Journal of the American Medical Association
1902
Journal:
:MMW - Fortschritte der Medizin
2009
Journal:
:The Quarterly review of biology
1993
M Profet
Sperm are vectors of disease. During mammalian insemination bacteria from the male and female genitalia regularly cling to sperm tails and are transported to the uterus. I propose that menstruation functions to protect the uterus and oviducts from colonization by pathogens. Menstrual blood exerts mechanical pressure on uterine tissue, forcing it to shed, and delivers large numbers of immune cel...
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