Stack #100453
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| site of origin for autonomic nervous system | brain or lateral horn of spinal cord
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| number of neurons from origin in CNS to effector organ | two-neuron chain preganglionic and postganglionic
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| organs innervated in the autonomic nervouos system | cardiac muscle, smooth muscle, exocrine and some endocrine glands
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| type of innervation of ANS | most effector organs dually innervated by the two antagonistic branches of this system (sympathetic and parasympathetic)
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| neurotransmitter at effector organs for the ANS | may be acetylocholine (parasym) or NE at the sym terminals
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| effects on Effector organs in the autonomic nervous system | either stimulation or inhibition (antagonistic actions of two branches)
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| what type of control does the ANS have | under involuntary coontrol; may be voluntarily controlled with biofeedback techniques adn training
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| what are the highere centers involved in control in the ANS | spinal cord, medulla, hypothalamus, prefrontal association cortex
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| what is the Site of origin for the somatic nervous system | ventral horn of spinal cord for most; those supplying muscles in head orginate in brain
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| number of neurons from origin in CNS to effector organ in the somatic nervous system | single neuron (motor neuron)
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| organs the somatic nervous system innervates | skeletal muscle
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| type of innervation in the somatic nervous system | effector organs innervated only by motor neurons
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| neurotransmitter at effector organs in the somatic nervous system | only acetylcholine
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| effects on effector organs in the somatic nervous system | stimlation only (inhibition possibly only centrally through IPSP on cell body of motor neuron
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| types of control in the somatic nervous system | subject to voluntary control; much activity subconsciously coordinated
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| higher centers involved in control in the somatic nervous system | spinal cord, motor cortex, basal nuclei, cerebellum, brain stem
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