diaplexus

di·a·plex·us

(dī'ă-plek'sŭs),
Rarely used term for choroid plexus of third ventricle.
[G. dia, through, + L. plexus, a plaiting]

diaplexus

(dī″ă-plĕks′ŭs) [Gr. dia, through, + L. plexus, braid]
The choroid plexus of the third ventricle.