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Chap 15 part 2

Across
-Thoracolumbar -Preganglionic neurons exit lateral horns of spinal cord at T1-L2 -Gray and white communicating rami relay outflow to sympathetic chain ganglia -Postganglionic neurons exit the sympathetic chain ganglia
Salivation, Lacrimation(tear production), Urination, Digestion, Diuresis(urine formation in kidneys), Defecation
Skeletal Muscle, adrenal medulla, postganglionic ANS neurons Ach binding has excitatory effects
-Resting and digesting -In charge of SLUDDD -Low blood pressure -Low heart rate -Constricted pupils -Maintenance acitivities
_______________ fibers decrease heart and respiratory rates, allow for digestion and elimination
-Craniosacral -Preganglionic neurons exit CNS via -Cranial Nerves 3,4,9, & 10, -Spinal Cord: lateral horns at S2-S4 Ganglia of postganglionic neurons near, on, or in target organs
Cardiac muscle, smooth muscle, glandular cells Ach binding can have excitatory or inhibitory effects
Down
Result=dyamic counteracting mechanisms that precisely control __________ activity
ANS cooperation is required for ______________ -Parasympathetic fibers cause vasodilation in erectile tissues -Sympathetic fibers cause smooth muscle peristalsis
-Fight or Flight -E situations: exercise, excitement, emergency, embarrassment -Promotes adjustments during activity ex. Blood flow to abdominal organs is reduced -Blood flow to skeletal muscle and cardiac muscle is increased -Blood flow increases to skin along with vasodilation of skin vessels>>>helps dissipate heat and activates sweat glands -Heart rate, breathing rate, blood pressure all increase -Pupillary and bronchiole dilation
Most involuntary tissues are __________ by both sympathetic and parasympathetic fibers
Receptors alpha- NE binding usually has excitatory effects beta- NE binding usually has inhibitory effects
______________ fibers increase heart and respiratory rates, inhibit digestion and elimination