The Astrocytes

Question

The astrocytes
A) support and protect the neurons and help form the blood-brain barrier.
B) secrete myelin.
C) secrete cerebrospinal fluid.
D) are concentrated within the choroid plexus.

Accepted Answer

Astrocytes are a type of glial cell that provides structural support for neurons and form the blood-brain barrier, which helps protect the brain from toxins and pathogens. They also regulate the chemical environment around neurons, contribute to synapse formation and communication, and play a role in repairing brain injury. None of the other options accurately describe the functions of astrocytes.