Hippocampal sulcus

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Hippocampal sulcus

a shallow groove between the dentate gyrus and the parahippocampal gyrus; the remains of a fissure extending deep into the hippocampus between ammons horn and the dentate gyrus which becomes obliterated during foetal development.

Synonym: sulcus hippocampi, dentate fissure, fissura dentata, fissura hippocampi, hippocampal fissure.