31
somatic nervous system autonomic nervous system 32
33
(axon hillock initial segment myelin sheath Ranvier's node 34
http://cw.prenhall.com/bookbind/pubbooks/morris2/chapter2/custom1/deluxe-content.ht ml 35
36
Neuroscience for kids - action potential excitable membrane reference electrode 70 90mv 37
resting potential Osmosis osmotic pressure hydrostatic pressure equilibrium potential + 0.01MKCl + KCl 0.1M + + 38
+ + electromotive force diffusion equilibrium potential Farady + 39
18 58mV + + + + + Na + K + ATPase mm mm Na K Cl Na K Cl giant axon 49 410 40 440 22 560 52 410 26 510 12 540 15 125 1.5 110 2.6 77 Na + K + Na + K + + + + 40
18 C action potential all-or-none hyperpolarization 41
depolarization threshold potential + + impulse spike 42
http://human.physiol.arizona.edu/sched/cv/wright/15action.htm http://www.unl.edu/tcweb/pharm/con.action.potential.html conduction neurotransmitter transmission Hodgkin Huxley excitation 43
44
Beginning Depolarization Inactivation 45
http://courses.washington.edu/conj/membrane/nachan.htm 46