[Connective tissue and aging. (1) Changes of intracellular matrix by age].
D000375:Aging; D000818:Animals; D003094:Collagen / Q000378:metabolism*; D003238:Connective Tissue / Q000648:ultrastructure*; D003239:Connective Tissue Cells; D004549:Elastin / Q000378:metabolism*; D051379:Mice
D003094:Collagen; D004549:Elastin