title: Synaptic boutons in the hippocampus: changes are produced by age and experience.
mesh_terms: D000367:Age Factors; D000375:Aging; D000818:Animals; D003712:Dendrites / Q000166:cytology*; D004777:Environment; D006624:Hippocampus / Q000166:cytology*; D008297:Male; D051381:Rats; D013569:Synapses / Q000166:cytology*