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