title: Radiographic method for anatomic study of the teat canal: changes within the first lactation.
mesh_terms: D000818:Animals; D002417:Cattle / Q000033:anatomy & histology*; D004106:Dilatation; D005260:Female; D007774:Lactation; D008321:Mammary Glands, Animal / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D011247:Pregnancy; D011859:Radiography; D013997:Time Factors