title: The rat fat-free body in middle life: continuing growth and histochemical changes.
mesh_terms: D000365:Age Determination by Skeleton; D000367:Age Factors; D000375:Aging; D000818:Animals; D001823:Body Composition; D001827:Body Height; D001835:Body Weight; D005223:Fats; D006128:Growth; D009584:Nitrogen / Q000032:analysis; D011188:Potassium / Q000032:analysis; D051381:Rats; D014867:Water / Q000032:analysis
chemical_list: D005223:Fats; D014867:Water; D009584:Nitrogen; D011188:Potassium