Unit 6.3 Protecting the Brain

Front

What are the three protective membranes that surround the brain and spinal cord?

Back

Meninges

Front

What controls the substances present in the cerebrospinal fluid (CSF)?

Back

Blood-brain barrier

Front

What are the components of the meninges?

Back

The pia mater, arachnoid mater, and dura mater.

Front

What are the spaces that contain cerebrospinal fluid?

Back

Ventricles

Front

What is the toughest layer of the meninges?

Back

Dura mater

Front

What is the function of the blood-brain barrier?

Back

To protect the brain from harmful substances in the blood while allowing essential nutrients to pass.

Front

What is cerebrospinal fluid (CSF) and its primary function?

Back

CSF cushions the brain and spinal cord, providing protection and maintaining a stable environment.

Front

What is the role of arachnoid granulations?

Back

To absorb cerebrospinal fluid into the bloodstream.

Front

What is the difference between the dura mater and the pia mater?

Back

The dura mater is the tough outer layer, while the pia mater is the delicate inner layer that closely adheres to the brain.

Front

What are ventricles in the context of the brain?

Back

Cavities within the brain that produce and contain cerebrospinal fluid.