title: Zonal osteons in cortical bone.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D001344:Autopsy; D001862:Bone Resorption; D001842:Bone and Bones / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D002113:Calcification, Physiologic; D002675:Child, Preschool; D005260:Female; D006253:Haversian System / Q000033:anatomy & histology; D006801:Humans; D008297:Male; D008852:Microradiography; D008875:Middle Aged; D012272:Ribs / Q000033:anatomy & histology