Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 40, Problem 5TYK
Summary Introduction

Introduction:

Epithelial cells of the capillary wall form a highly selective semipermeable border that involves the separation of the circulating blood from the brain and extracellular fluid in the CNS (central nervous system), and is known as the blood–brain barrier. This barrier involves the movement of water, some gases, and liquid soluble molecules by passive diffusion.

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