Nervous System Flash Cards.
this divison of the peripheral nervous system
includes the neurons found along the GI tract
Back
enteric nervous system
Front
name for a group of neuron cell bodies in the
CNS
Back
nucleus
Front
name for a group of neuron cell bodies in the
PNS
Back
ganglia
Front
these ions are cross the neuron cell membrane
during a hyperpolarization
Back
Cl-
K+
Page 1
Front
Back
these gates respond to chemical stimuli such as
nerutransmitters
ligand gates
Front
main extracellular cation
Back
Na+
Front
portion of the peripheral nervous system is
involved with smooth and cardic muscles
Back
autonomic nervous system
Front
this glial cell is important in forming the bloodbrain barrier
Back
astrocyte
Page 2
Front
these glial cells are macrophages and clean up
debris in the CNS
Back
microglia
Front
these glial cell forms the myelin sheath in the
CNS
Back
oligodendrocyte
Front
these glial cells forms the myelin sheath in the
PNS
Back
schwann cell
Front
this strcture of the neuron conducts info away
from the cell body
Back
axon
Page 3
Front
Back
this ion moves into the synaptic knob to bring
about the release of neurotransmitter
Ca+2
Front
Back
this ion moves across the neuron membrane
during depolarization
Na+
Front
Back
this neuron type conducts info away from the
CNS
efferent
Front
Back
this neuron type conducts info toward the CNS
afferent neuron
Page 4
Front
these are main intracellular anions
Back
phophates
protein anions
Front
these gates are found on the dendrites and cell
body of neurons
Back
ligand gates
mechanical gates
Front
this conduction type is faster and more energy
efficient and involves myelinated neurons
Back
saltatory
Front
this is the name for a bundle of axons in the
PNS
Back
nerve
Page 5
Front
Back
this is the name for a bundle of axons in the
CNS
tract
Front
Back
three factors that help produce the resting
membrane potential in neurons
release of Na into the ICF/EFC
release of K into the EFC/IFC
Na/K pump
Front
Back
three factors that STOP synaptic transmission
diffusion
enzyme degradation
take up cells
Front
there are ___ pairs of spinal nerves and
____ pairs of crainal nerves.
more regeneration after nerve damage is
possible in the PNS/CNS?
Back
12
31
PNS
Page 6
Front
diaphragm
A or S
Back
S
Front
Arrector pili muscle
A or S
Back
A
Front
styloglossus
A or S
Back
S
Front
heart
S or A
Back
A
Page 7
Front
internal urethral sphincter
a OR S
Back
A
Front
in an inhibitory postsynaptic potential the __
gates and the __ gate open resulting in
hyperpolarization and a __ intacellular fluid.
this ___ and action potential. In an excitatory
postsynaptic potential the _ gates open
resulting in depo;arization and a more _
intracellular fluid. This brings the cell _
threshold.
Back
Cl-
K
Negative
inhibits
Na+
Positive
Closer to
Front
This nerve innervates the fibularis longus
Back
Common fibular nerve
Front
Nerve innervates the muscles that extend the
forearm
Back
Radial nerve
Page 8
Front
Nerve innervates the muscles that plantar flex
the foot
Back
Tibial nerve
Front
Nerve innervates the the triceps brachii
Back
Radial nerve
Front
The funny bone
Back
Ulnar nerve
Front
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