BIOD 152 Module 2
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BIOD 152 Module 2
- cerebrum, brainstem, diancephelon, cerebellum
Answer: brain divisions
- cavities within the brain filled with CSF
Answer: ventricles
- 2 lateral, 3rd, 4th drains into central canal of the spinal cord
Answer: location of brain ventricles
- 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
- double layered outer meninx
Answer: dura mater
- loose layer separated from the dura mater by the subdural space
Answer: middle arachnoid meninx
- beneath the arachnoid meninx, contains blood vessels and is filled with CSF
Answer: subarachnoid space
- thin connective tissue tightly attached to the brain
Answer: inner pia mater
- forms a network of blood vessels within the ventricles
Answer: choroid plexus
- 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
- the foremost part of the brain, is the largest part of the brain in humans comprising about
83% of total brain mass
Answer: cerebrum
- separates the left and right cerebral hemispheres
Answer: median longitudinal fissure
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