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SUBCELLULAR ORGANIZATION OF THE NERVOUS SYSTEM (AXON HILLOCK (initial…
SUBCELLULAR ORGANIZATION OF THE NERVOUS SYSTEM
Nissl substance
'translational cytoplasm'
RER
protein synthesis
AXON HILLOCK
lack of Nissl substance
#
microtubules
microfilaments
aligned parallel
initial segment
specialized plasma membrane
thin undercoating
functions, composition - ???
voltage-sensitive ion channels
AXONS
constant diameter
nodes of Ranvier
axoglial jinctions
Caspr/Paranodin
Contactin
neurofascin Nfasc155
'paradoxical cells'
no axons
amacrine
horizontal
pseudounipolar
gap junctions
DENDRITES
reduction of diameter
spines
development and aging
Nissl substance
mRNA