title: Changes in canine mammary gland histology during the estrous cycle.
mesh_terms: D000818:Animals; D004285:Dogs; D004848:Epithelium / Q000033:anatomy & histology; D004971:Estrus; D005260:Female; D008321:Mammary Glands, Animal / Q000033:anatomy & histology*; D008938:Mitosis; D010053:Ovary / Q000033:anatomy & histology; D011247:Pregnancy; D013194:Staining and Labeling; D013997:Time Factors; D014599:Uterus / Q000033:anatomy & histology