Caption: The conduction of the action potential across a myelinated and an unmyelinated axon
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 11.53 MB

Caption: Schwann cells in the peripheral nervous system produce the insulating myelin sheath that covers the axons of many neurons
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 18.19 MB

Caption: In a simple feedforward neural network, all signals flow in one direction, from input to output.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 16.70 MB

Caption: Side-view of a human skull with an outline of the brain
Artist: Reinhard Schäfer
Release: Not Applicable
File Size: 51.48 MB

Caption: Organization of the autonomic nervous system, showing the key role of acetylcholine in the transmission of nervous impulses.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 23.05 MB

Caption: An old man walking on a nerve cell
Artist: George Shewchuk
Release: Not Applicable
File Size: 49.63 MB