title: A whorled arrangement of the enamel rods in human teeth.
mesh_terms: D000134:Acid Etching, Dental; D003743:Dental Enamel / Q000033:anatomy & histology / Q000648:ultrastructure*; D006801:Humans; D006851:Hydrochloric Acid; D008855:Microscopy, Electron, Scanning
chemical_list: D006851:Hydrochloric Acid