title: Scanning electron microscopic observation of ossification and calcification of the ligamentum flavum.
mesh_terms: D002114:Calcinosis / Q000473:pathology*; D006801:Humans; D008022:Ligaments / Q000648:ultrastructure*; D008855:Microscopy, Electron, Scanning; D009999:Ossification, Heterotopic / Q000473:pathology*; D013120:Spinal Cord Neoplasms / Q000473:pathology*; D013130:Spinal Stenosis / Q000473:pathology*; D013909:Thorax