Dictionary of Biological Psychology
An old term for the HIPPOCAMPUS introduced in the eighteenth century after a mythological Egyptian god called Amun Kneph.
Other writers also likened the curious shape of this structure, occupying the floor of the lateral ventricle (see VENTRICLES) of the human brain, to a ram’s horn. A curious feature of hippocampal terminology is that although Ammon’s Horn and its original Latin name cornu Ammonis are rarely used nowadays, cell fields within the hippocampus continue to refer to this heritage. CA3 pyramidal cells project prominently to CA1 cells whose axons, in turn, provide the major output of the hippocampus (see CA1–CA3).
RICHARD G.M.MORRIS
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