Age-related degeneration of patellar articular cartilage.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D002357:Cartilage Diseases / Q000473:pathology*; D002358:Cartilage, Articular / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010329:Patella