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Luigi Galvani
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Luigi Galvani, born in
1736
, was an early physiologist, interested in the relationship between
electricity
and the
human body
. Galvani's most famous experiment involved electrical stimulation of a
frog
's nerves. He discovered that the electrical stimulation caused the
muscle
attached to the
nerve
to contract, even when both were removed from the frog's body.
The subsequent identification of
electricity
as the nerve
stimulus
was made not by Galvani, but by
Alessandro Volta
. This conclusion was later disproved by
Herman von Helmholtz
who measured the speed of
nerve conduction
at approximately 90 feet per second, much less than the speed expected if nerve conduction were indeed a simple electrical
process
.
The
surname
Galvani provides the word stem for
galvanism
and such items as the
galvanic cell
,
galvanised iron
, and the
galvanometer
.
Galvani died in
1798
.
printable version
chaos
Science and the Undead: Frog Dissection at Highland Junior High
Hermann von Helmholtz
galvanic cell
Giovanni Aldini
Alessandro Volta
voltaic cell
Galvanometer
Galvanism
Roman Empire
December 4
galvanostat
Volta
Galvanize
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