Term
| the ANS consists of certain neurons that conduct impulses form the spinal cord or brain stem to the following tissues |
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Definition
1) cardiac muscles
2) smooth muscle tissue
3) glandular epithelial tissue |
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Term
| two subdivisions of the ANS |
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Definition
| sympathetic and parasympathetic |
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Term
| function of sympathetic nervous system |
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Definition
| emergency stress system- "flight or fight" |
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Term
| function of parasympathetic nervous system |
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Definition
| controls visceral effectors under normal everyday functions (slows down heartbeats, increases secretion of digestive juices) |
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Term
| function of ANS as a whole |
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Definition
1) regulates the body's automatic functions that maintain/restore homeostasis
2) many internal organs are doubly innervated by the ANS |
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Term
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Definition
| excessive response to stress can disrupt normal functioning of the body |
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Term
| examples of disorders of the autonomic nervous system |
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Definition
1) heart disease
2) digestive problems
3) reduced resistance to disease |
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Term
| examples of heart problems |
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Definition
| hypertension- high blood pressure (can lead to heart attacks) |
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Term
| examples of digestive problems |
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Definition
| colitis (colon inflammation) and gastric ulcers |
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Term
| examples of how ANS can reduce resistance to disease |
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Definition
| glucocorticoids- hormones released by the adrenal glands during stressful times depressed the activity of the immune system |
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Term
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Definition
| malignant tumor of the sympathetic nervous system that affects young children; metastasizes quickly |
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Term
| symptoms of neuroblastoma |
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Definition
| increased heart rate, sweating, and high blood pressure (known for spontaneous remission) |
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Term
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Definition
| D for digesting, defecation, diuresis (parasympathetic) |
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Term
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Definition
| E for exercise, emergency, excitement, embarrassment |
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