title: Gross changes of internal genitalia during the estrous cycle in the mare.
mesh_terms: D000818:Animals; D002584:Cervix Uteri / Q000033:anatomy & histology; D003338:Corpus Luteum / Q000033:anatomy & histology; D004971:Estrus; D005187:Fallopian Tubes / Q000033:anatomy & histology; D005260:Female; D005836:Genitalia, Female / Q000033:anatomy & histology*; D006736:Horses / Q000502:physiology*; D009929:Organ Size; D006080:Ovarian Follicle / Q000033:anatomy & histology; D010053:Ovary / Q000033:anatomy & histology; D010057:Oviducts; D010060:Ovulation; D010902:Pituitary Gland / Q000033:anatomy & histology; D011247:Pregnancy; D013997:Time Factors; D014599:Uterus / Q000033:anatomy & histology; D014621:Vagina / Q000033:anatomy & histology