title: [The ultrastructure of the teeth in amphibia. 3. The teeth of bullfrogs].
mesh_terms: D000663:Amphibians / Q000033:anatomy & histology; D000818:Animals; D005260:Female; D008297:Male; D011892:Rana catesbeiana / Q000033:anatomy & histology*; D014070:Tooth / Q000648:ultrastructure*