{{ http://d7c2b0wpljtwf.cloudfront.net/var/ezwebin_site/storage/images/media/images/e-anatomy/brain-human-anatomy-diagram/corpus-callosum-gross-anatomy-fornix-septum-pellucidum-en/2637418-1-eng-GB/corpus-callosum-gross-anatomy-fornix-septum-pellucidum-en_medical512.jpg}} The choroid plexus is attached medially to the body of the fornix by the taenia fornicis and laterally to the thalamus by the taenia choroidea.