The hippocampus, also hippocampus proper, is a major component of the brain of humans and many other vertebrates. In the human brain the hippocampus, the dentate gyrus, and the subiculum are component
The human hippocampus and fornix (left) compared with a seahorse (right)
Hippocampal subfields and subregions
Drawing by Italian pathologist Camillo Golgi of a hippocampus stained using silver nitrate
The amygdala is a paired nuclear complex present in the cerebral hemispheres of vertebrates. It is considered part of the limbic system. In primates, it is located medially within the temporal lobes.