dentate fissure -->
hippocampal sulcus
medical dictionary

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

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

(05 Mar 2000)