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(Netter Basic Science) Frank H. Netter - Atlas of Human Anatomy-Elsevier (2018)

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Neurons and Synapses

Endings of preganglionic autonomic

neuron synapsing onto cell bodies

of postganglionic neurons

Axons ending on gland or

smooth (involuntary) muscle

or cardiac muscle cells

Satellite cells

Neurilemma surrounding

unmyelinated axons of two neurons

Two postganglionic autonomic neurons

of a sympathetic or parasympathetic ganglion

Dendrite

Axon hillock

Initial segment

Node

Axon

Myelin sheath

Dendrite

Schematic of synaptic endings

Numerous boutons (synaptic knobs)

of presynaptic neurons terminating on

a motor neuron and its dendrites

Neurofilaments

Neurotubules

Axon (axoplasm)

Axolemma

Mitochondria

Glial process

Synaptic vesicles

Synaptic cleft

Presynaptic membrane

(densely staining)

Postsynaptic membrane

(densely staining)

Postsynaptic cell

Enlarged section of bouton

Electronic Bonus Plates Plate BP 11

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