Cardiology 1 Review
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27 Terms
What organs are part of the central nervous system? (CNS)
brain & spinal cord
What is the segments of the peripheral nervous system?
efferent and afferent
what are the 2 types of efferent responses?
somatic and autonomic
what is somatic in simple terms?
voluntary response
what is autonomic in simple terms
involuntary response
what are the 2 types of autonomic responses?
sympathetic and parasympathetic
what does visceral mean
internal organs
synapse
junction between 2 neurons
ganglion
synapse located outside of the CNS
neuromuscular junction
junction between neurons and myocytes
neuroglandular junction
junction between neurons and glands
What type of ganglion does the somatic system include
no ganglion
What type of ganglion does the parasympathetic system include?
long ganglion
What type of ganglion does the sympathetic system include?
short ganglion (not always theres exception)
what is the exception to no ganglion in the sympathetic system?
Has adrenal medulla
where is the synapse located in the autonomic system?
synapse may be outside CNS
where is the synapse located in the somatic system?
synapse always within CNS
where does the parasympathetic signals come from?
cranial and sacral portion of the spinal cord
where does the sympathetic signals come from?
thoracic and lumbar regions of the spinal cord
what is the purpose of a neurotransmitter?
to carry a signal from a neuron to another cell neuron
what does ACh stand for?
Acetylcholine (ACh)
what is acetylcholine (ACh) the neurotransmitter in?
all preganglionic neurons (sympathetic & parasympathetic)
all postganglionic parasympathetic nauron
few postgangllionic sympathetic neurons
what is norepinephrine the neurotransmitter in?
most postganglionic sympathetic neurons
what are the exceptions to the rules of neurotransmitters?
sympathetic postganglionic neurons that innervate sweat glands use ACh as their neurotransmitter
sweat glands are sympathetic but their postganglionic neuron releases ACh no NE
sweat = sympathetic but ACh
what is preganglionic
first neuron
what is post ganglionic
2nd neuron
what neutrotransmitters are catecholamines?
adrenaline, noreadrenanline, dopamine