".....researchers working at the Wihuri Research Institute and the University of Helsinki report a surprising finding that challenges current anatomy and histology textbook knowledge: Lymphatic vessels are found in the central nervous system where they were not known to exist."

http://www.eurekalert.org/pub_releases/2015-06/uoh-utl061115.php

In a study published in the Journal of Experimental Medicine, researchers working at the Wihuri Research Institute and the University of Helsinki report a surprising finding that challenges current anatomy and histology textbook knowledge: Lymphatic vessels are found in the central nervous system wh…