Histologic study of ostium of Wharton's duct.
D001485:Basement Membrane / Q000648:ultrastructure; D003238:Connective Tissue / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure; D004847:Epithelial Cells; D004848:Epithelium / Q000648:ultrastructure; D006801:Humans; D008854:Microscopy, Electron; D009060:Mouth Floor / Q000648:ultrastructure*; D013363:Submandibular Gland / Q000648:ultrastructure*