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Lecture Notes - Modulation of a Meal The Autonomic NS LOVE...

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Modulation of a Meal: The Autonomic NS 17:57 LOVE = assimilation of energy HATE = dissipation of energy Central Control System Brain function: coordinate actions, anticipate actions Autonomic Nervous System Parasympathetic  o Assimilates energy o Discrete enervation  o Control individual organs o Acetylcholine - neurotransmitter Sympathetic  o Wired all together – if one part goes off, all go off o Uses energy o “fight or flight” o networked enervation o norepinephrine  Eye o Pupil Symp = opens, dilate – if symp goes off, threatened by something
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Para = closes o Vision Symp = distance Para = close o Tears Symp = inhibits Para = stimulates  Salivary glands o Salivation Symp = inhibits (fluid to muscle cells instead) Para = stimulates Bronchial system o Breathing rate Symp = increases Para = decreases o Bronchial tubes Symp = dilate, increases  Para = decreases o Bronchial circulation Sym = dilation (cold meds mimic sym and dilate airways), increases Para = decreases
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Heart o Rate Symp = stimulates Para = inhibits o Velocity Symp = increase (blood pressure up) Para = decrease o Artery contract under symp  o Under para, blood pressure decrease Blood flow o Symp = increases in large muscles, heart, lungs, brain…ALSO, decreases  blood flow to digits (fingers and toes) and GI tract o Para = decreases blood to large muscles, heart, lungs, brain….ALSO,  increases to digits and GI tract Stomach o Gastric tone Symp = tightens Para = relaxes o Mucous secretion Symp = decreases Para = increases o Gastric acid Pancreas
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o Insulin Symp = inhibits  Para =  releases  o Glucagon Symp = releases Para = inhibits  Liver o Glucose metabolism Symp = gluconeogenesis (break down glycogen), glycogenolysis  Para = glycogenesis, lipogenesis (form sugar and fat) Adipose cells – fat storage o Symp = stimulates enzymes and release fat o Para = stimulates enzymes that promote fat synthesis and storage Intestines o Motility  Symp = inhibits, absorption of water, cramping Para = facilitates  o Anal sphincter Symp (high) = relaxes When normal symp, nothing really happens  Para = controls (tightens) 
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Bladder o Bladder sphincter Symp (high) = relaxes Para = controls Sex organs (pre-orgamic) o Male Para = allows erection Symp = inhibits erection o Female Para = allows vaginal opening, mucus secretions Symp = inhibits vaginal opening, mucus secretions  Sex organs (orgasmic) o Male o Female TOTALLY SYMPATHETIC 
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Chewing and Swallowing  17:57 The GI Tract Donut – mouth to anus 
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