The blood-brain barrier is a specialized epithelium that prevents many materials from passing from the blood into the brain. The type of cell connections most likely present between the cells forming this barrier are
A) desmosomes.
B) gap junctions.
C) tight junctions.
D) plasma junctions.
E) Either desmosomes or gap junctions will produce the same results.

Question

Quizplus · Accepted Answer

Tight junctions form a barrier between the cells lining blood vessels in the brain, preventing many substances from being able to pass through. Desmosomes and gap junctions are not involved in forming this barrier.

The Blood-Brain Barrier Is a Specialized Epithelium That Prevents Many