The ageing of connective tissue.
D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D000596:Amino Acids / Q000378:metabolism; D000818:Animals; D001011:Aorta / Q000378:metabolism / Q000502:physiology; D002417:Cattle; D003094:Collagen / Q000096:biosynthesis / Q000378:metabolism; D003238:Connective Tissue / Q000378:metabolism / Q000502:physiology*; D004547:Elastic Tissue / Q000378:metabolism / Q000502:physiology; D004549:Elastin / Q000096:biosynthesis; D006801:Humans; D008875:Middle Aged; D014176:Protein Biosynthesis; D012879:Skin Physiological Phenomena
D000596:Amino Acids; D003094:Collagen; D004549:Elastin