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57 Cards in this Set

  • Front
  • Back
chemical neurotransmitter
acetylcholine
loss of sensation
anesthesia
delicate, weblike middle membrane covering the brain, the meninges
arachnoid mater
a glial cell
astrocyte
nerve cell process that transmits impulses away from the cell body.
axon
norepinephrine and epinephrine
catecholamines
branching or treelike; a nerve cell process that transmits impulses toward the body
dendrite
chemical neurotransmitter
dopamine
literally strong or hard mother,; outermost layer of the meninges
dura mater
responding organ
effector
chemical in central nervous system that influences pain perception; a natural painkiller
endorphins
peptide chemical in the central nervous system that acts as a natural painkiller
enkephalins
the changes produced by increased sympathetic impulses allowing the body to deal with any type of stress
fight or flight syndrome
a region of gray,unmyelinated nerve tissue.
ganglia
supporting cells of nervous tissue
glia
abnormal accumulation of cerebrospinal fluid
hydrocephalus
nerves that conduct impluses from sensory neurons to motor neurons
interneuron
a collection of various small regions of the brain that act together to produce emotion and emotional response
limbic system
fluid-containing membranes surrounding the brain and spinal cord
meninges
one type of connective tissue found in the brain and spinal cord
microgila
transmits nerve impulses from the brain and spinal cord to muscles and glandular epithelial tissues
motor neuron
the most common primary disease of the central nervous system
multiple sclerosis
lipoid substance found in the myelin sheath around some nervefibers
myelin
nerve cell, including its processes
neuron
chemicals by which neurons communicate
neurotransmitter
indentations that are found between adjacent Schwann cells
nodes of Ranvier
hormone secreted by adrenal medulla; released by sympathetic nervous system
norepinephrine
a cell that holds nerve fiers together and produces the myelin sheath around axons in the central nervous system
oligodendrocyte
part of the autonomic nervous system; ganglia are connected to the brainstem and the sacral segments of the spinal cord; controls many viscral effectors under normal conditions
parasympathetic nervous system
the vascular innermost covering of the brain and spinal cord
pia mater
chemical neurotransmitter
acetylcholine
loss of sensation
anesthesia
delicate, weblike middle membrane covering the brain, the meninges
arachnoid mater
a glial cell
astrocyte
nerve cell process that transmits impulses away from the cell body.
axon
norepinephrine and epinephrine
catecholamines
branching or treelike; a nerve cell process that transmits impulses toward the body
dendrite
chemical neurotransmitter
dopamine
literally strong or hard mother,; outermost layer of the meninges
dura mater
responding organ
effector
chemical in central nervous system that influences pain perception; a natural painkiller
endorphins
peptide chemical in the central nervous system that acts as a natural painkiller
enkephalins
the changes produced by increased sympathetic impulses allowing the body to deal with any type of stress
fight or flight syndrome
a region of gray,unmyelinated nerve tissue.
ganglia
supporting cells of nervous tissue
glia
autonomic neurons that conduct nerve impulses from a ganglion to cardiac or smooth muscle or glandular epithelial tissue
postganglionic neurons
a neuron situated distal to a synpse
postsynaptic neuron
autonomic neurons that conduct nerve impulses between the spinal cord and a ganglion
preganglionic neuron
a neuron situated proximal to a synapse
presynaptic neuron
peripheral beginning of a sensory neurons dendrite
receptors
allows an impulse to travel in only one direction
reflex arc
when a nerve impulse encounters myelin and jumps from one node of Ranvier to the next
saltatory conduction
neurons that transmit impulses to the spinal cord and brain from all parts of the body
sensory neurons
a neurotransmitter that belons to a group of compounds called catecholamines
serotonin
part of the autonomic nervous system; ganglia are connected to the toracic and lumbar regions of the spinal cord; fuctions as an emergency system
sympathetic nervous system
junction between adjacent neurons
synapse
the space between a synaptic knob and the plasma membrane of a postsynaptic neuron
synaptic cleft