Another pictures:
Description:
Choroid plexus - Paired ependyma covered, highly vascularized tufted projection which extends into the fourth ventricle from inferior medullary velum. It projects up to lateral apertures too.
Rhomboid fossa; Floor of fourth ventricle Roof of fourth ventricle Superior medullary velum Inferior medullary velum Fastigium Choroid plexus