title: The retrocuspid papilla: hypothesis of origin.
mesh_terms: D003481:Cuspid / Q000033:anatomy & histology*; D004848:Epithelium / Q000033:anatomy & histology; D005881:Gingiva / Q000033:anatomy & histology* / Q000098:blood supply / Q000196:embryology; D006801:Humans; D008833:Microcirculation / Q000033:anatomy & histology