Term
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Definition
cell bodies of nerons from PNS |
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Term
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Definition
cell bodies of neurons from CNS |
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Term
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Definition
innervates skeletal muscle |
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Term
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Definition
innervates smooth muscle, cardiac muscle, an glands |
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Term
how many neurons are involved in the somatic pathway |
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Definition
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Term
where are somatic cell bodies located |
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Definition
nucleus of the brainstem or spinal cord |
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Term
what is the location and destination of a somatic axon |
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Definition
leaves CNS in a cranial or spinal nerve and innervates ma variable number of muscle fibers |
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Term
how many neurons are involved in a autonimic pathway |
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Definition
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Term
where is an autonomic preganglonic cell body |
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Definition
nucleus of the brainstem or spinal cord |
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Term
what is the location and destination of the autonimic preganglonic axon (fiber) |
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Definition
leaves the CNS in a cranial or spinal nerve but and travels to a ganglion |
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Term
what are the divisions of the autonomic nervous system |
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Definition
sympathetic, parasympathetic, enteric |
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Term
describe the relationship between the sympathetic and parasympathetic nervous system |
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Definition
antagonistic, both in thorax, abdomen, pelvis, head, ad vessels |
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Term
what is happening inside an autonomic ganglion (PNS) |
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Definition
preganglonic axon synapses with a second postganglionic neuron |
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Term
where is the cell body of an autonomic post ganglion neuron |
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Definition
in the autonomic ganglion (PNS) |
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Term
what is the location and destination of the autonimic postganglonic axon |
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Definition
leaves the ganglion and innervates smooth or cardiac muscle or a gland |
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Term
where are visceral targers |
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Definition
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Term
what are visceral targets |
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Definition
blood vessels, sweat glands, arrector pili muscles |
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Term
what are visceral targets regulated by |
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Definition
sympathetic nervous system |
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Term
where are the only places the parasympathetic innervates |
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Definition
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Term
what nervous system will cause increased heart rate and blood pressure |
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Definition
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Term
what nervous system will cause rdistribution of blood to the brain, heart, and muscle |
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Definition
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Term
what nervous system will cause inhibition of peristalsis and the GI tract |
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Definition
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Term
what nervous system is more active in the day |
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Definition
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Term
what nervous system will conserve and store energy |
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Definition
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Term
what nervous system will cause decreased heart rate and blood pressure |
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Definition
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Term
what nervous system will cause increased peristalsis and GI tract functions |
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Definition
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Term
what nervous system is more active at night |
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Definition
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Term
what nervous system is described as fight or flight |
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Definition
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Term
what nervous system is described as rest and digest |
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Definition
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Term
what vertebre does the sympathetic division correspond with, what is this called |
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Definition
T1-L2, intermediolateral cell column, or thoracolumbar outflow/ division |
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Term
in what part of the gray matter is the nucleus of the sympathetic division located |
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Definition
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Term
where are sympathetic cell bodies located |
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Definition
in the paravertebral or prevertebral ganglia (sympathetic chain ganglia), closer to the CNS, associated with the abdominal aorta |
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Term
which autonomic system has longer preganglonic fibers |
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Definition
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Term
which autonomic system has longer postganglionic fibers |
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Definition
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Term
describe the location of the sympathetic chain ganglia |
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Definition
two chains on both sides of the spinal cord that meet inferiorly |
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Term
what structure foes the sympathetic chain ganglia run along |
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Definition
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Term
where do the nerves from the parasympathetic system come from |
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Definition
brainstem nuclei of cranial nerves III, VII, IX, X, sacral parasympathetic nuclei |
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Term
what does the craiosacral outflow / division include |
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Definition
all the parasympathetic nerves |
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Term
what does the sacral parasymathetic nucleus refer to |
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Definition
spinal cord gray matter from S2-S4 of the parasymathetic nerves |
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Term
in what neurotransmitters is acetocholine used |
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Definition
preganglonic fibers of the sympathetic and parasympathetic |
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Term
in what neurotransmitters is norepinepherine used |
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Definition
neurotransmitters of postganglionic in the sympathetic and parasympathetic except sweat glands |
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Term
what neurotransmitters do post ganglionic neurons is sweat glands use |
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Definition
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Term
what determines the effect of a neurotransmitter |
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Definition
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Term
what nerves have white communicating rami, why |
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Definition
only the T1-L2 spinal nerves because they have cell bodies of the preganglionic sympathetic rami |
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Term
where do sympathetic fibers that ascend in the trunk synapse |
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Definition
with a postganglionic neuron of a higher sympathetic ganglion |
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Term
where do sympathetic fibers that descend in the trunk synapse |
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Definition
with a postgnglionic neuron of a lower sympathetic ganglon |
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Term
how is it possible for a preganglionic fiber to leave the trunk and synapse immediatly |
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Definition
it synapses with the sympathetic ganglion at its own level |
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Term
what happes when a sympathetic fiber passes through the trunk without synapsing |
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Definition
it continues to an abdominopelvic splanchnic nerve to reach the prevertebral ganglia |
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Term
what to splanchnic nerves innervate |
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Definition
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Term
what do sympathetic fibers leave the spinal nerve in to get to the trunk |
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Definition
white communicating rami of T1-L2 |
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Term
why is the white communicating rami white |
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Definition
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Term
what parasympathetic fibers innervate the head |
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Definition
cranial nerves III, VII, XI |
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Term
what does cranial nerve III innervate |
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Definition
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Term
what does cranial nerve VII innervate |
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Definition
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Term
what does cranial nerve IX innervate |
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Definition
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Term
what is cranial nerve X called |
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Definition
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Term
what does the vagus nerve innervate |
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Definition
thoracic and abdominal organs |
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Term
what nervous system does the vagus nerve work for |
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Definition
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Term
what do the pelvic splanchnic nerves innervate |
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Definition
abdominal nerves not supplied by the vaugs |
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Term
where do pelvic splanchnic nerves come from |
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Definition
sacral parasympathetic nerves |
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Term
what nervous system does the enteric belong to |
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Definition
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Term
what does the entric nervous system innervate |
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Definition
the walls of the GI from esophagus to rectum |
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Term
how many neurons does the entric nervous system have |
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Definition
over 100 million (as many as spinal cord) |
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Term
what tyes of neurons does the entric nervous system have |
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Definition
motor, sensory, interneurons |
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Term
what is the entric nervous system usually regulated by |
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Definition
parasympathetic and sympathetic nervous systems |
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Term
when the entric nervous system is not being regulated by parasympathetic and sympathetic nervous system what runs it |
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Definition
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Term
functions does the entric nervous system provide |
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Definition
gut motility, secretion, absorption |
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