title: Synaptic changes in the hypothalamic arcuate nucleus of old male rats.
mesh_terms: D000375:Aging; D000818:Animals; D001111:Arcuate Nucleus of Hypothalamus / Q000648:ultrastructure*; D001369:Axons / Q000648:ultrastructure; D003712:Dendrites / Q000648:ultrastructure; D008297:Male; D009457:Neuroglia / Q000648:ultrastructure; D009474:Neurons / Q000648:ultrastructure; D051381:Rats / Q000033:anatomy & histology*; D011919:Rats, Inbred Strains / Q000033:anatomy & histology; D013569:Synapses / Q000648:ultrastructure*