BIOS 252 Week 2 Save
Terms in this set (124)
At what membrane +30 to +35 mV.
potential does the action
potential peak?
Axon terminals sends The output zone
signals to other cells.
Dendrites receives The input zone
signals.
How are neurons As multipolar, bipolar, or unipolar
classified structurally?
,How are Through degradation by enzymes, reuptake by the
neurotransmitters presynaptic neuron, or diffusion away from the
removed from the synapse.
synaptic cleft?
How does the voltage- It opens at the threshold to allow Na+ to rush into
gated Na+ channel the cell, causing depolarization.
contribute to action
potential generation?
How do interneurons They connect sensory and motor neurons, often
function in the nervous found in reflex arcs.
system?
How is the resting By the sodium-potassium pump, which actively
membrane potential transports Na+ out and K+ into the neuron.
maintained in neurons?
Involves more Long-term memory
permanent changes,
often through synaptic
strengthening
Involves rapid, Short-term memory
temporary changes in
synaptic transmission
In which type of nervous White matter.
system tissue would you
find myelinated axons?
These lack sheath and Non-myelinated axons
conduct impulses more
slowly
, List the main parts of a Dendrites, cell body, axon hillock, axon,
neuron. telodendria, and synaptic bulb.
Matter that consists of Gray matter
neuron cell bodies
Matter that is made up White matter
of myelinated axons
Name a reflex arc that Spinal reflex.
does not involve the
brain.
Name a type of tumor Glioblastoma multiforme.
that affects the CNS.
Neurotransmitters that Excitatory neurotransmitters
depolarize the
postsynaptic membrane
Neurotransmitters that Inhibitory neurotransmitters
hyperpolarize the
postsynaptic membrane
Occurs along Saltatory conduction
myelinated axons where
action potentials jump
between nodes
Occurs along Continuous conduction
unmyelinated axons
Pathways that carry Efferent pathways
motor signals from the
CNS to muscles
Terms in this set (124)
At what membrane +30 to +35 mV.
potential does the action
potential peak?
Axon terminals sends The output zone
signals to other cells.
Dendrites receives The input zone
signals.
How are neurons As multipolar, bipolar, or unipolar
classified structurally?
,How are Through degradation by enzymes, reuptake by the
neurotransmitters presynaptic neuron, or diffusion away from the
removed from the synapse.
synaptic cleft?
How does the voltage- It opens at the threshold to allow Na+ to rush into
gated Na+ channel the cell, causing depolarization.
contribute to action
potential generation?
How do interneurons They connect sensory and motor neurons, often
function in the nervous found in reflex arcs.
system?
How is the resting By the sodium-potassium pump, which actively
membrane potential transports Na+ out and K+ into the neuron.
maintained in neurons?
Involves more Long-term memory
permanent changes,
often through synaptic
strengthening
Involves rapid, Short-term memory
temporary changes in
synaptic transmission
In which type of nervous White matter.
system tissue would you
find myelinated axons?
These lack sheath and Non-myelinated axons
conduct impulses more
slowly
, List the main parts of a Dendrites, cell body, axon hillock, axon,
neuron. telodendria, and synaptic bulb.
Matter that consists of Gray matter
neuron cell bodies
Matter that is made up White matter
of myelinated axons
Name a reflex arc that Spinal reflex.
does not involve the
brain.
Name a type of tumor Glioblastoma multiforme.
that affects the CNS.
Neurotransmitters that Excitatory neurotransmitters
depolarize the
postsynaptic membrane
Neurotransmitters that Inhibitory neurotransmitters
hyperpolarize the
postsynaptic membrane
Occurs along Saltatory conduction
myelinated axons where
action potentials jump
between nodes
Occurs along Continuous conduction
unmyelinated axons
Pathways that carry Efferent pathways
motor signals from the
CNS to muscles
