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16 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Name the components of each structural subdivisions of the nervous system. |
CNS: Brain and Spinal Cord PNS: Spinal nerves, peripheral nerves, ganglion |
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What is same and what is different between a nucleus and a ganglion. |
SAME: Collection of cell bodies DIFFERENCE: Nucleus inside the CNS. Ganglion outside the CNS/ inside the PNS |
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Describe the difference between a nerve and a tract. |
Nerve- Collection of axons in PNS Tract- Collection of nerve fibers in the CNS |
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Describe the difference between the gray and white matter of the brain. |
Gray- location of cell bodies inside the CNS White- location of myelinated axons in the CNS |
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Describe the white matter tracts within the central nervous system (CNS). |
Association Tracts- Connect same hemisphere Commissural Tracts- Connect opposite hemispheres (communicate) by corpus collosum Projection Tracts- Project to lower regions of brain and Spinal cord |
There are 3 |
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Name the Commissural tract that connects left and right cerebral hemispheres. |
Corpus Callosum |
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Name and describe each of the functional lobes of the cerebrum. |
Frontal- personality, precentral motor cortex Parietal- somatic sensory postcentral Temporal- primary auditory cortex Occipital- Primary visual cortex |
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Define gyrus and describe the 2 examples. |
Gyrus- ridge Precentral - Primary motor cortex Postcentral- primary sensory cortex |
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Describe the role of the thalamus in the diencephalon. |
Wants to receive, group, and relay the sensory information to the cerebrum. |
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Describe the role of the hypothalamus in the diencephalon. |
The command center for the endocrine system and tells the pituitary gland what to do. |
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Describe the role of the epithelium in the diencephalon. |
Pineal Gland produces melotonin (regulates sleep/ wake cycles) |
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Define the basal nuclei. |
Paired, irregular masses of gray matter buried deep within the central white matter in the cerebral hemispheres |
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Describe the function of the cerebellum. |
Body posture Balance Fine coordination |
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Relay station for visceral and auditory information |
Midbrain |
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communication and coordination center for the spinal cord and various portions of the brain |
Pons |
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Controls autonomic (involuntary functions, breathing + heart rate) |
Medulla |
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