The neural tissue is isolated from the general circulation by the
A)dura mater.
B)choroid plexuses.
C)arachnoid granulations.
D)meninges.
E)blood-brain barrier.

Question

Quizplus · Accepted Answer

The blood-brain barrier is a selective barrier formed by tightly sealed endothelial cells that prevent certain substances from entering the brain tissue from the bloodstream. This isolation of the neural tissue from the general circulation helps protect the brain from harmful substances that may be circulating in the bloodstream. The other options listed are structures or tissues that are part of the meninges, but they do not specifically isolate the neural tissue from the general circulation.

The Neural Tissue Is Isolated from the General Circulation by the