- Named because of its toothlike elevations
- The dentate gyrus, along with the hippocampus forms two parallel interlocking cylinders.
- Continuous
- Anteriorly with
- Band of Giacomini (aka tail of the dentate gyrus)
- Posteriorly as
- Fasciolar gyrus → indusium griseum → paraterminal gyrus
- Fasciolar gyrus
- Smooth grayish band that is located posteriorly to the splenium of the corpus callosum
- Dentate gyrus (14,3) is separated from
- Fimbria (9) of fornix (superiorly) by Fimbrodentate sulcus (12,5)
- Parahippocampal gyrus (9) (inferiorly) by Hippocampal sulcus (6)