Summary: The claustrum (CLA) is a conspicuous subcortical structure interconnected with cortical and subcortical regions. Its regional anatomy and cell-type-specific connections in the mouse remain not fully determined. Using multimodal reference datasets. we confirmed the delineation of the mouse CLA as a single group of neurons embedded in the agranular insular cortex. https://www.deliandiver.com/product-category/ter/