Skip to Content
Medical Term:

blood-brain barrier

 

Definition: a selective mechanism opposing the passage of most ions and high molecular weight compounds from the blood to brain tissue located in a continuous layer of endothelial cells connected by tight junctions; similar capillaries are Found in the retina, iris, and inner ear, and within the endoneurium of peripheral nerves.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
Hide