plexus choroideus ple·xusc·ho·roideus uncommon noun 1. a vascular plexus of the cerebral ventricles that regulate intraventricular pressure Synonymschoroid plexusplexus choroideus Related words Broader terms plexus Part of choroidal artery WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
