Term
| autonomic nervous system (ANS) (involuntary nervous system or general visceral motor system) |
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Definition
| consists of motor neurons; innervate smooth and cardiac muscle and glands; make adjustments to ensure optimal support for body activities; operate via subconscious |
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Term
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Definition
| all visceral organs served by both divisions, but cause opposite effects |
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Term
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Definition
| long then short nerves; targeted effects; promotes maintenance activities and conserves body energy |
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Term
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Definition
| short then long nerves; fans out; body wide effects; mobilizes body during activity; exercise, excitement, emergency, embarrassment |
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Term
| long preganglionic fibers |
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Definition
| parasymphathetic division; from brain stem and sacrum; extend from CNS almost to target organs |
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Term
| white rami communicantes; symphathetic trunk |
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Definition
| preganglionic fibers pass through _________________ and enter _______________ |
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Term
| sympathetic pathways to the head |
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Definition
| innervate skin and blood vessels of the head; stimulate dilator muscles of the iris; inhibit nasal and salivary glands; innervate smooth muscle of upper eyelid; branch to the heart |
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Term
| sympathetic pathways to the thorax |
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Definition
| these fibers innervate heart via the cardiac plexus, thyroid gland and the skin; lungs and esophagus |
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Term
| sympathetic pathways to the abdomen |
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Definition
| these fibers innervate the stomach, intestines, liver, spleen, and kidneys |
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Term
| sympathetic pathways to the pelvis |
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Definition
| these fibers innervate postganglionic fibers serve the distal half of the large intestine, the urinary bladder, and the reproductive organs; primarily inhibit activity of muscles and glands in abdominopelvic visceral organs |
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Term
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Definition
| neurotransmitter; release ACh; All ANS preganglionic axons; all parasympathetic postganglionic axons at effector synapse; two types of receptors Nicotinic and Muscarinic |
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Term
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Definition
| neurostransmitter; release NE; most sympathetic postganglionic axons; multiple types of receptors in two families alpha and beta |
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Term
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Definition
| blocks parasympathetic effects; an "Anti-Muscarinic"; makes body look like in sympathetic event |
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