Skip to Content

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.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

Hide