Changes in weight and volume of rat spinal cord motor neurons with increasing age.
D000375:Aging; D000818:Animals; D001835:Body Weight; D008297:Male; D008722:Methods; D009046:Motor Neurons / Q000033:anatomy & histology*; D009929:Organ Size; D051381:Rats; D013116:Spinal Cord / Q000033:anatomy & histology