- Limbic and Olfactory Systems 369
Dentate gyrus
CA 4
CA 3
CA 2
CA 1
Subiculum
Entorhinal
cortex
Fimbria
Neocortex
Entorhinal
cortex
Posterior
parahippocampal
gyrus
Hippocampus
Neocortex
Crus
of fornix Splenium
of corpus
callosum
EXTRA-HIPPOCAMPAL CIRCUITRY
& THE PAPEZ CIRCUIT
INTRA-HIPPOCAMPAL CIRCUITRY
& THE PERFORANT PATHWAY
Cingulum
Fornix
Mm-thlm.
fasc.
Fornix
Fornix(body)
(crus)
(colmn)
Alveus
Perirhinal
cortex
DRAWING 21-4 Hippocampus: Circuitry