Despite the presence of the blood-brain barrier,what cells,oddly enough,can pass through the blood-brain barrier by sending a signal that opens up the junction?
A)red blood cells
B)immune system cells
C)platelets
D)complement cells
E)epithelial cells

Question

Quizplus · Accepted Answer

Immune system cells, such as leukocytes (white blood cells) and monocytes, are known to be able to pass through the blood-brain barrier by sending signals that open up the junctions between cells. This is an important mechanism for immune surveillance and repair of damage in the brain.

Despite the Presence of the Blood-Brain Barrier,what Cells,oddly Enough,can Pass