title: Ultrastructure of surface cells of the oral mucosa.
mesh_terms: D001706:Biopsy; D003581:Cytodiagnosis; D003937:Diagnosis, Differential; D004848:Epithelium; D006801:Humans; D008854:Microscopy, Electron; D009059:Mouth Diseases / Q000175:diagnosis; D009061:Mouth Mucosa / Q000166:cytology*; D010947:Plants, Toxic; D014026:Nicotiana