anatomy
axon
background
biology
black
body
brain
bright
care
cell
dendrite
diagram
doctor
hand
head
health
healthy
human
icon
illustration
labeled
light
magnifying glass
medical
medicine
myelin
nerve
nerves
neural
neurology
neuron
neurons
node
nucleus
ranvier
receptor
render
science
silhouette
structure
synapse
system
white
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