The nature of the granules within sulcular epithelial cells.
D000135:Acid Phosphatase; D001345:Autoradiography; D004847:Epithelial Cells; D004848:Epithelium; D005881:Gingiva / Q000166:cytology*; D006056:Golgi Apparatus; D006651:Histocytochemistry; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D014316:Tritium
D014316:Tritium; D000135:Acid Phosphatase