The presence of the blood-brain barrier (BBB) is vital for keeping toxins and pathogens outside of the central nervous system. Which of the following is not a component of the BBB?

Question

Quizplus · Accepted Answer

The blood-brain barrier (BBB) is primarily composed of endothelial cells that form tight junctions, astrocyte end-feet that surround the endothelial cells, and a transport system that regulates the passage of substances into and out of the brain. Specialized brain neutrophils are not considered a component of the BBB; their primary role is in the immune response, not forming the BBB structure or function.

The Presence of the Blood-Brain Barrier (BBB) Is Vital for Keeping