title: A case of congenital absence of the lower second premolars in cattle and a phylogenetic consideration of its origin.
mesh_terms: D000818:Animals; D001641:Bicuspid / Q000002:abnormalities*; D005075:Biological Evolution; D002417:Cattle; D002418:Cattle Diseases / Q000151:congenital*; D000013:Congenital Abnormalities / Q000662:veterinary; D005260:Female; D008334:Mandible / Q000000981:diagnostic imaging; D011859:Radiography