Magana: Jinin maniyyi yana ba da abinci mai gina jiki da kariya ga spermatozoa yayin tafiyarsu ta hanyar hanyar haifuwa ta mace. Yanayin al'ada na farji shine mai adawa (c.f. rikice-rikice na jima'i) ga ƙwayoyin maniyyi, saboda yana da matukar acidic (daga microflora na asali wanda ke samar da lactic acid), mai laushi, kuma ƙwayoyin rigakafi suna sintiri. Abubuwan da ke cikin plasma na maniyyi suna ƙoƙari su rama wannan yanayin da ba shi da kyau. Amines na asali kamar putrescine, spermine, spermidine da cadaverine suna da alhakin ƙanshi da dandano na maniyyi. Wadannan tushe na asali suna magance da kuma yin amfani da yanayin acidic na canal na vaginal, kuma suna kare DNA a cikin maniyyi daga denaturation acidic. Tambaya: Wane kwayar halitta mai dauke da kwayar halitta ne aka kare?
DNA