Stack #120710
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| effectors for Autonomic Nervous system | Smooth muscle, endocrine glands, cardiac muscle
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| dual innervation | having both sympathetic and parasympathetic neurons
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| result of increased sympathetic activity | HR up, digestion down
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| division of NS most active during homeostasis | parasympathetic
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| origin of preganglionic neurons in the SYMPATHETIC NS | Lateral horns of Spinal cord of the thoracolumbar region
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| where a preganglionic neuron synapses with a post ganglionic neuron | ganglion
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| In the sympathetic NS, preganglionic neurons synapse with how many neurons | multiple
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| only one preganglionic neuron directly to this effector | adrenal medulla to release NE
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| Parasympathetic Preganglionic neurons originate | brainstem/sacral regions
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| 4 cranial nerves involved in parasympathetic activity | III-occulomotor, VI - facial, VIIII - glossopahrangeal, X - Vagus
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| CN X | Vagus nerve
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| Vagus nerve | 80% of parasympathitic activity to organs
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| All preganglionic neurons release... | ACH (Parasymp & Symp)
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| Parasymp post ganglionic neurons release | ACH
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| most sympathetic preganglion neurons release | NE (norepinephrine)
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| Swellings in postganglionic neurons that store and release Neurotransmitters | Varicosities
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| degrades ACH | ACHE
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| structures that regulate Autonomic Nervous system | hypothalamus, pons, medulla, limbics & cortex of the brain
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| Somatic NS regulates | skeletal muscles and their movement
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| motor neuron | nerve that innervates the muscle
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| Chemical messenger released atg Neuromuscular junction | ACH
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| motor end plate | region on skeletal muscle cell that has receptors for ACH
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| pupillary light reflex | autonomic reflex that uses smooth mucles
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| sympathetic trunk | paravertebral
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| parasyhmpathetic ganglions | terminal - where pre & post synapse
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| FSH comes from | anterior pituitary
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| FSH makes | eggs in females - sperm in males
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| Leutinizing hormone from | anterior pituitary
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| LH makes | estrogen/testosterone
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| Dual innervation | both parasym and symp innervation
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| Lateral grey horns of the thoracic spinal chord contain | sympathetic preganglionic neurons
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| All preganglionic neurons release... | ACH
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| Cholinergic neurons release | ACH
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| Sympathetic NS | Fight or flight/Thoracolumbar
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| Parasympathetic | rest and repose/craniosacral
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| Islets of langerhans | found in pancreas - make insulin and glucagon
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| Area of brain with most autonomic control | hypothalmus
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| glucagon | raises blood sugar
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| insulin | lowers blood sugar
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| to release a hormone from the posterior pituitary you need... | a nerve impulse from the hypothalmus
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| posterior pituitary contains | oxytocin & ADH
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| epinephrine effect on HR | raises heart rate
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| ADH | holds water in kidneys
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| cluster of cell bodies in the PNS | ganglion
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| cluster of cell bodies in the cns | neucleii
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| oligiodendryte | makes myelin sheaths in cns
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| schwann cell | makes myelin sheath in pns
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| only part of nerve that is myelinated | axon
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| storage for neurotransmitters | synaptic vessicles
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| gaps on myelin sheaths of axons | nodes of ranvier
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| cavities in brain | ventricles
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| choroid plexus | line ventricles of brain and filter blood into CS fluid
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| CS fluid circulates in the... | subarachnoid space
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| layers around brain | pia mater, subarachnoid space, arachnoid, subdural space, duramater
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| Parkinsons patients lack... | dopamine
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| Thalmus | relay center for the brain
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| reticular formation | responsible for wakefulness - located in brain stem
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| hydrocephalus | excessive cs fluid
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| hypothalamus | controls body temperature, hunger, thirst, [1] fatigue, anger, and circadian cycles.
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| arachnoid villi | reabsorbs CS fluid
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| damage to cerebellum | result in uncoordinated movement
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| parts of brain stem | pons, medulla, midbrain
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| primary visual cortex | occipital lobe of brain
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| damage to cribiform plate | can't smell
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| cranial I | olfactory
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Created by:
goodbunn