The entorhinal cortex is structurally divided into two main subfields: the lateral entorhinal cortex (LEC) and the medial entorhinal cortex (MEC). Both subfields have distinct cytoarchitectonic properties. The LEC is primarily involved in olfactory and sensory processing, while the MEC is more engaged in spatial and navigational tasks. The entorhinal cortex itself has a laminated structure, consisting of six layers (I-VI), with each layer containing different types of neurons and exhibiting unique connectivity patterns.