leakchannels alwayssomewhatopen
nervoussystem1 Lecture2 Ma c hannelsopenwhenvoltagechanges
voltagegated
Networksof neuronsnerves recieve process transmiti nformation ligandgatedchannels openwhenneurotransmitterb inds
EE i iii ii
thefrontofthebody
iii.name
evolvedindependently severalt imes convergentevolution
forwardlocomotion
predatoryadaptation
evolutionary armsrace bin predatory andprey
nÉfÉ
nervoussystemssense integrate andcoordinateresponses
sensory motorneuron mostn eurons to
p roducehundreds
thousands ofsynapses w otherc ells
HEE
tsinmsoitiipnufenstzqgf.me
nation
eagrensor
someneuronsdon'tsynapsew other
neuronsbutweothersthatproducea
motoro utput
if 1
e
gtiinaament
Ferrous a
meaasis
fi igi a
neuronscanconnectfromspina
iii iii ai.im iiiii a
si i imartics.sn is triggered
I7 iii
e
ifthesum ofthearrivings ignalsreaches
amorammin
receptor 3 actionpotentialsare conductedalong
theaxontotheaxonterminal where
kebody theycausethe releaseofneurotrans
postsematicane mitters Thesebind toreceptors on
thepostsynapticcellm embrane
dendrites taillight too potentiallycreating a newsignalin
postsynapticcell neuron secretory
thepostsynapticneuron
neuronsatrest
gnqqaeaiaiiii.griieiiiasigesa equilibriumpotential's dictate
tn.ee
theresting membranepotential
on neuron
iii emissions
dueto LARGEamountofextracellularwat
anionicproteins are in nigher concentration intracenuan
if
Initial ie shempi
nia i9 ti eqece whenionsnolongerm ove
aIa
Natleak
a c.tn iiiaiiifimn'iiei isuina'imanegativeisina
channels existtoo therearejustfewerofthemthathelp
restoremembrane
potentialontheinsiderelativetothe
potentialafter an
ofthecell
AP
outside
gig name
III Ii iii iii an ammonia
t.fi Iiination
III an if f
i
Iiiiiiii
iii
4 repolarization
anion
IEiiiiiiiiiiiies
resting
neuronisincapable
3Natbindtoactives ites contoum
anonasnaremansenatma.at
tophosphorylateprotein pumpNat ifIEEiIiii sina.it
as iin
azoo
frequencyto t imes inactivation haatekicks out
againstgradient releasesNat
gate has
Imms
shapechange samethingforK same persec durationvaries e charge inactivation
nervoussystem1 Lecture2 Ma c hannelsopenwhenvoltagechanges
voltagegated
Networksof neuronsnerves recieve process transmiti nformation ligandgatedchannels openwhenneurotransmitterb inds
EE i iii ii
thefrontofthebody
iii.name
evolvedindependently severalt imes convergentevolution
forwardlocomotion
predatoryadaptation
evolutionary armsrace bin predatory andprey
nÉfÉ
nervoussystemssense integrate andcoordinateresponses
sensory motorneuron mostn eurons to
p roducehundreds
thousands ofsynapses w otherc ells
HEE
tsinmsoitiipnufenstzqgf.me
nation
eagrensor
someneuronsdon'tsynapsew other
neuronsbutweothersthatproducea
motoro utput
if 1
e
gtiinaament
Ferrous a
meaasis
fi igi a
neuronscanconnectfromspina
iii iii ai.im iiiii a
si i imartics.sn is triggered
I7 iii
e
ifthesum ofthearrivings ignalsreaches
amorammin
receptor 3 actionpotentialsare conductedalong
theaxontotheaxonterminal where
kebody theycausethe releaseofneurotrans
postsematicane mitters Thesebind toreceptors on
thepostsynapticcellm embrane
dendrites taillight too potentiallycreating a newsignalin
postsynapticcell neuron secretory
thepostsynapticneuron
neuronsatrest
gnqqaeaiaiiii.griieiiiasigesa equilibriumpotential's dictate
tn.ee
theresting membranepotential
on neuron
iii emissions
dueto LARGEamountofextracellularwat
anionicproteins are in nigher concentration intracenuan
if
Initial ie shempi
nia i9 ti eqece whenionsnolongerm ove
aIa
Natleak
a c.tn iiiaiiifimn'iiei isuina'imanegativeisina
channels existtoo therearejustfewerofthemthathelp
restoremembrane
potentialontheinsiderelativetothe
potentialafter an
ofthecell
AP
outside
gig name
III Ii iii iii an ammonia
t.fi Iiination
III an if f
i
Iiiiiiii
iii
4 repolarization
anion
IEiiiiiiiiiiiies
resting
neuronisincapable
3Natbindtoactives ites contoum
anonasnaremansenatma.at
tophosphorylateprotein pumpNat ifIEEiIiii sina.it
as iin
azoo
frequencyto t imes inactivation haatekicks out
againstgradient releasesNat
gate has
Imms
shapechange samethingforK same persec durationvaries e charge inactivation
