紡錘
function
3d
acetylcholinesterase
anatomy
atrophy
axon
background
brain
calcium
cartoon
cell
choline
cholinergic
concept
dendric
dendritic
design
disease
fiber
flat
human
icon
illustration
impulse
isometric
junction
membrane
molecule
motoneuron
motor
movement
muscle
muscular
myelin
myofibril
nerve
neuromuscular
neuron
receptor
scheme
somatic
spinal
synapse
system
tissue
transmission