Papez circuit

Case contributed by Dr Azza Elgendy
Modality: Diagram

Anatomical and functional components of the Papez circuit. 

Case Discussion

Fibers from the hippocampus form the alveus, then the fibers coalesce to form the fimbria. The fimbrial fibers form the fornix, which projects to the mammillary bodies via the post-commissural fornix. The mammillary bodies project primarily to the anterior thalamic nucleus (mammillothalamic tracts). The anterior thalamic nucleus in turn projects to the cingulum deep to the cingulate gyrus to reach the temporal lobe (entorhinal cortex), where the fibers project back to hippocampus.

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Case Information

rID: 34008
Case created: 2nd Feb 2015
Last edited: 9th Sep 2015
Inclusion in quiz mode: Included

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