2. cavities within the brain filled with CSF
Answer: ventricles
3. 2 lateral, 3rd, 4th drains into central canal of the spinal cord
Answer: location of brainventricles
4. 3 layers of connective tissue membranes that cover and protect CNS organs and enclose CSF
(dura mater, middle arachnoid meninx, subarachnoid space,inner pia mater)
Answer: meninges
5. double layered outer meninx
Answer: dura mater
6. loose layer separated from the dura mater by the subdural space
Answer: middlearachnoid meninx
7. beneath the arachnoid meninx, contains blood vessels and is filled withCSF
Answer: subarachnoid space
8. thin connective tissue tightly attached to the brain
Answer: inner pia mater
9. forms a network of blood vessels within the ventricles
Answer: choroid plexus
10. diffusion barrirr that prevents most particles from entering the CNS tissue,keeping the
brain and spinal cord separate from general blood circulation. maintenance is important to
provide a stable chemical environment for the nervous system.
Answer: blood-brain barrier
11. the foremost part of the brain, is the largest part of the brain in humanscomprising about
83% of total brain mass
Answer: cerebrum
12. separates the left and right cerebral hemispheres
Answer: median longitudinal fissure
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