Page 26 - The Miracle of Electricity in the Body
P. 26
24 THE MIRACLE OF ELECTRICITY IN THE BODY
The structure of a nerve fiber is similar
to that of an electrical cable. The
nerves inside that allow the transmis-
sion of electricity, and the insulating
sheath on the outside, are both exam-
ples of magnificent creation.
Ganglion (clump of nerve
cells)
Epineurium (tissue surround-
ing nerve-fiber bundles)
Myelin sheath
Axon
Small nerve
bundle
Perineurium (nerve-
fiber bundle sheath)
