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16 Cards in this Set
- Front
- Back
What are 2 major divisions of the nervous system?
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Central nervous system
Peripheral nervous system |
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What are 2 types of cells found in the nervous system?
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Neurons
Neuroglia |
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What are 3 parts of a neuron?
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cell body
dendrites axon |
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What part of a neuron has many branches?
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Dendrites
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What carries signals toward the CNS and are also known as Sensory neurons?
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Afferent neurons
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What carries signals away from the CNS and are also known as Motor neurons?
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Efferent neurons
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What carries signals from Sensory to Motor ?
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Interneurons
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What is the most basic difference between an Oligondendrocyte and a Neurolemmocyte?
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Oligondendrocyte is in the CNS.
Neurolemmocyt is in the PNS |
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What type of neuroglia creates the blood/brain barrier?
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Astrocytes
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What is the importance of Myelin sheaths?
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Provides insulation to the Axon
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What are the 4 types of Mechanoreceptors?
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Light touch
Pressure Pain Proprioception |
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What are the 4 divisions of the brain?
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Cerebrum
Brain stem Cerebellum ? |
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What is the difference between Grey matter and White matter?
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Grey-Composed of cell bodies of neurons.
White- Composed of Axons having Myelin sheaths. |
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What is the Cerebrums major purpose?
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Controls complex mental functions.
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What is the Brain stems major purpose?
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Connects Cerebrum to spinal cord
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What is the Cerebellums major purpose?
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Its the coordinating center for Motor activity.
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