Limbic system of the aged mouse.
D000375:Aging; D000818:Animals; D003712:Dendrites / Q000648:ultrastructure; D005260:Female; D006624:Hippocampus / Q000033:anatomy & histology; D008032:Limbic System / Q000033:anatomy & histology*; D008297:Male; D051379:Mice; D008810:Mice, Inbred C57BL; D009474:Neurons / Q000648:ultrastructure; D009830:Olfactory Bulb / Q000033:anatomy & histology; D012686:Septal Nuclei / Q000033:anatomy & histology