choroid tela of third ventricle

n.

A double fold of pia mater, enclosing the subarachnoid trabeculae and located between the fornix above and the epithelial roof of the third ventricle and the thalami below.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.