title: Calculus in the submandibular salivary duct.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D006197:Hair; D006801:Humans; D008297:Male; D012465:Salivary Duct Calculi / Q000473:pathology*; D012466:Salivary Gland Diseases / Q000473:pathology*; D013364:Submandibular Gland Diseases / Q000473:pathology*