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21 Cards in this Set
- Front
- Back
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The CNS consists of the |
Brain & Spinal Cord |
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CNS is responsible for |
Integration, processing, & coordinating sensory data & motor commands |
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PNS includes all neural tissue |
Outside the CNS |
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Sensory receptors |
Detect changes or stimuli within/outside the body |
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Visceral receptors |
Monitor internal organs |
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Somatic sensory receptors |
Provide position, touch, pressure, pain, and temp sensations |
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Special sensory receptors |
Provide sensations of smell, taste, vision, balance, and hearing |
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The motor division of the PNS |
Carries motor commands from the CNS to effectors in peripheral tissues and systems |
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Somatic nervous system |
Controls skeletal muscle |
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Autonomic nervous system provides automatic regulation of |
Smooth muscle effectors Cardiac muscle effectors Glands (effector) Adipose tissue effectors |
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Cell body contains |
Nucleus, cell organelles, and nissl bodies |
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Axon hillock |
Cone shaped elevation of cell body where it joins axon |
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Dendrites |
Processes from cell body that are the receiving part of neuron. Highly branched |
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Carries nerve impulses toward other cells |
Axon |
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Where the action potential is generated |
Initial segment |
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Axon cytoplasm |
Axoplasm |
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Axon plasma membrane |
Axolemma |
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Synapse consists of |
Presynaptic cell Postsynaptic cell Neurotransmitter |
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One main axon; one main dendrite |
Bipolar neuron |
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Only one process from the cell body |
Unipolar neuron |
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Has several dendrites and one axon |
Multipolar neuron |
