title: Histopathologic study of human conduction tissue. (2) Aging changes of sino-atrial nodes.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D002648:Child; D005260:Female; D006801:Humans; D006973:Hypertension / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009206:Myocardium / Q000473:pathology; D012849:Sinoatrial Node / Q000473:pathology*