Control of mucus hydration as a Donnan equilibrium process.
D000818:Animals; D001834:Body Water / Q000378:metabolism*; D002417:Cattle; D002582:Cervix Mucus / Q000378:metabolism*; D004971:Estrus; D005260:Female; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D011247:Pregnancy