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Nervous system 16

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QuestionAnswer
Much viscera w/ dual innervation usually more of one than other, so little direct antagonism
Fight or flight sympathetic stim.
Resting, Normal Parapathetic
ANS influenced by Higher brain centers
Hypothalamus main control and regulation for sympathetic and parasympathetic
Cerebral cortex and limbic system also have some autonomic centers - exert control generally thru hypothalamus
What controls sympathetic? Posterior and lateral portions of hypothalamus
What controls parasympathetic? Anterior and medial portions of hypothalamus
Autonomic Reflexes - Similar to somatic reflexes except involve ANS outflow
Motorneurons are automonic
Visceral Reflexes smooth or cardiac muscle, gland secretinns
Created by: k.mckinley1991
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