title: Collagen fibrils and elastic fibers in rat-tail tendon: an electron microscopic investigation.
mesh_terms: D000375:Aging; D000818:Animals; D003094:Collagen; D004547:Elastic Tissue / Q000648:ultrastructure*; D051381:Rats; D013623:Tail / Q000648:ultrastructure; D013710:Tendons / Q000648:ultrastructure*
chemical_list: D003094:Collagen