Medionecrosis aortae.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001011:Aorta / Q000473:pathology; D001018:Aortic Diseases / Q000473:pathology*; D002467:Cell Nucleus / Q000648:ultrastructure; D002648:Child; D002675:Child, Preschool; D003593:Cytoplasm / Q000648:ultrastructure; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009130:Muscle, Smooth / Q000473:pathology; D009336:Necrosis