The term fascia dentata refers to a composite structure consisting of the three superficial layers of the dentate gyrus. From external to internal they are the molecular layer of the dentate gyrus, the granular layer of the dentate gyrus and the polymorphic layer of the dentate gyrus. It is found in the human and the macaque ( Carpenter-1983 ) as well as the rat ( Paxinos-2009b ) and mouse ( Franklin-2008 ). Updated 30 May 2024.