Dentate gyrus Thalamus(cut) Fimbria A Hippocampus Lateral ventricle Alveus Septum Hippocampus pellucidum Choroid plexus Fimbria Pillar of fornix Dentate gyrus Body of fornix Commissure of fornix Crus Perforant of fornix path Splenium Subiculum of corpus callosum Posterior horn Entorhinal cortex of lateral B ventricle Collateral sulcus Alvear path Two-way connections with sensory association areas Figure 29.5 Hippocampal formation.(A)View from above.(B)Enlargement from A showing the entorhinal cortex and the three component parts of the hippocampal formation