Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood?
A) Oligodendrocytes
B) Neurons
C) Astrocytes
D) Microglia

Question

Quizplus · Accepted Answer

Astrocytes form the blood-brain barrier, which is a specialized system of capillary endothelial cells that prevent harmful substances in the blood from affecting the brain. This barrier is essential for maintaining the proper conditions within the brain that allow neuronal signaling to occur, and astrocytes play a critical role in its formation and maintenance.

Which Cells Form the Blood-Brain Barrier That Protects the Brain