title: Crystalloid substance and closed Haversian canals in the compact bone tissue of human bone.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001842:Bone and Bones / Q000378:metabolism / Q000648:ultrastructure*; D003460:Crystallization; D006253:Haversian System / Q000648:ultrastructure*; D006651:Histocytochemistry; D006801:Humans; D008297:Male; D008855:Microscopy, Electron, Scanning; D008875:Middle Aged