The term medial part of the entorhinal area refers to one of two subdivisions of the entorhinal cortex in the rat ( Swanson-2004 ) and the mouse ( Dong-2004 ) based on internal structure. It consists of two zones, the dorsal zone of the medial part of the entorhinal cortex and the ventral zone of the medial part of the entorhinal cortex. The other subdivision is the lateral part of the entorhinal cortex. Updated 25 May 2024.