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  2. Entorhinal cortex - Wikipedia

    en.wikipedia.org/wiki/Entorhinal_cortex

    View of left entorhinal cortex (red) from beneath the brain, with front of brain at top. Artist's rendering. The superficial layers – layers II and III – of EC project to the dentate gyrus and hippocampus: Layer II projects primarily to dentate gyrus and hippocampal region CA3; layer III projects primarily to hippocampal region CA1 and the subiculum.

  3. EC-hippocampus system - Wikipedia

    en.wikipedia.org/wiki/EC-hippocampus_system

    The entorhinal cortex (EC) is a major part of the hippocampal formation of the brain, and is reciprocally connected with the hippocampus. [1]The hippocampal formation, which consists of the hippocampus, perirhinal cortex, the dentate gyrus, the subicular areas and the EC forms one of the most important parts of the limbic system.

  4. Hippocampus anatomy - Wikipedia

    en.wikipedia.org/wiki/Hippocampus_anatomy

    EC: entorhinal cortex Starting at the dentate gyrus and working inward along the S-curve of the hippocampus means traversing a series of narrow zones. The first of these, the dentate gyrus (DG), is actually a separate structure, a tightly packed layer of small granule cells wrapped around the end of the hippocampus proper , forming a pointed ...

  5. Trisynaptic circuit - Wikipedia

    en.wikipedia.org/wiki/Trisynaptic_circuit

    The entorhinal cortex (EC) is a structure in the brain located in the medial temporal lobe.The EC is composed of six distinct layers. The superficial (outer) layers, which include layers I through III, are mainly input layers that receive signals from other parts of the EC, but also project to hippocampal structures via the perforant path.

  6. Hippocampus - Wikipedia

    en.wikipedia.org/wiki/Hippocampus

    The input to the hippocampus (from varying cortical and subcortical structures) comes from the entorhinal cortex via the perforant path. [28] The entorhinal cortex (EC) is strongly and reciprocally connected with many cortical and subcortical structures as well as with the brainstem.

  7. Hippocampal formation - Wikipedia

    en.wikipedia.org/wiki/Hippocampal_formation

    There is no consensus concerning which brain regions are encompassed by the term, with some authors defining it as the dentate gyrus, the hippocampus proper and the subiculum; [2] and others including also the presubiculum, parasubiculum, and entorhinal cortex. [3]

  8. Parahippocampal gyrus - Wikipedia

    en.wikipedia.org/wiki/Parahippocampal_gyrus

    The parahippocampal gyrus (or hippocampal gyrus [1]) is a grey matter cortical region of the brain that surrounds the hippocampus and is part of the limbic system. The region plays an important role in memory encoding and retrieval. It has been involved in some cases of hippocampal sclerosis. [2] Asymmetry has been observed in schizophrenia. [3]

  9. Perforant path - Wikipedia

    en.wikipedia.org/wiki/Perforant_path

    In mice, the projection to CA1, and the subiculum all come primarily from EC layer III. [citation needed]According to Suh et al. (2011 Science 334:1415) the projection to CA3 and dentate gyrus in mice is primarily from layer II of entorhinal cortex, and forms a trisynaptic path with hippocampus (dentate gyrus to CA3 to CA1), distinguished from the direct (monosynaptic) perforant path from ...