title: Osseus metaplasia with functioning marrow in a calcified aortic valve.
mesh_terms: D000328:Adult; D001021:Aortic Valve / Q000473:pathology*; D001024:Aortic Valve Stenosis / Q000473:pathology*; D001853:Bone Marrow / Q000473:pathology*; D001842:Bone and Bones / Q000473:pathology*; D002114:Calcinosis / Q000473:pathology*; D002828:Choristoma / Q000473:pathology; D005260:Female; D005355:Fibrosis; D006801:Humans; D008679:Metaplasia; D009999:Ossification, Heterotopic / Q000473:pathology