From the case:
Papez circuit
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Anatomical and functional components of the Papez circuit.
Illustration by: Mohamed and Azza Gendy (Azza Elgendy)
Case Discussion
Fibres from the hippocampus form the alveus, then the fibres coalesce to form the fimbria. The fimbrial fibres 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 fibres project back to hippocampus.
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