Skeletal muscle and organ weights of aged and trained male rats.
D000311:Adrenal Glands / Q000033:anatomy & histology; D000367:Age Factors; D000375:Aging; D000818:Animals; D001835:Body Weight; D006321:Heart / Q000033:anatomy & histology; D007668:Kidney / Q000033:anatomy & histology; D008099:Liver / Q000033:anatomy & histology; D008297:Male; D009132:Muscles / Q000033:anatomy & histology*; D009929:Organ Size; D010806:Physical Education and Training; D005082:Physical Exertion; D051381:Rats; D013154:Spleen / Q000033:anatomy & histology; D013737:Testis / Q000033:anatomy & histology