label: ventricular system choroidal fissure
label_lc: ventricular system choroidal fissure
description: "The narrow cleft along the medial wall of the lateral ventricle along the margins of which the choroid plexus is attached; it lies between the upper surface of the thalamus and lateral edge of the fornix in the central part of the ventricle and between the terminal stria and fimbria hippocampi in the inferior horn[ZFA]."