This is the most superficial layer of the brain meninges
-:- Dura Mater (Menix)
This layer of the meninges is tightly attached to the brain.
-:- Pia mater (Menix)
The _______ fissure separates the right and left cerebral hemispheres.
-:- median
The ______ fissure separates the cerebrum fro...
✓ -:- There are four ventricles in the interior of the brain, chambers filled with
cerebrospinal fluid which is produced there. Once formed the CSF circulates
through the ventricles and into the subarachnoid space bathing and floating the
brain.
What is the purpose of the blood-brain barrier? Describe its maintenance from a cellular
level.
✓ -:- The blood-brain barrier is a diffusion barrier which prevents most particles from
entering the central nervous system tissue, keeping the brain and spinal cord
separate from general blood circulation. The blood-brain barrier is formed by the
relatively impermeable brain capillaries, due to the glial cells astrocytes.
Maintenance of the blood-brain-barrier is important to provide a stable chemical
environment for the nervous system.
All the following are functions of the hypothalamus except:
✓ -:- Relays sensory impulses to the cerebrum
This ventricle is located anterior to the cerebellum.
✓ -:- fourth
What is the largest portion of the brain?
2|Page | Grade A+| 2024/2025
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