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Definition of Caduceus
Caduceus definition - medical term
1.
A rod with two snakes entwined about it topped by
a pair of wings.
2.
An insignia of a caduceus meant, mistakenly, to symbolize a physician.
The caduceus served as the symbol of Hermes and Mercury, the Greek and Roman
messenger gods. The caduceus was the sign of a herald and hence a logical symbol
for the messenger. However, because of a misconception, the caduceus became the
insignia of the US Army Medical Corps. The Medical Corps should have chosen the
symbol of medicine, which is the rod of Aesculapius, which has only one snake and
no wings atop it. No wings were necessary since the essence of medicine is not speed.
The single serpent that could shed its skin and emerge in full vigor represents
the renewal of youth and health -- medicine.
The Latin word "caduceus" came from the Greek "karykeion," from "karyx" or "keryx"
meaning "herald."
The caduceus with its pair of snakes coiled about each other bears some resemblance
to the structure of DNA, the double helix, which was only discovered in modern times
(in 1953, if that is still in "modern times").
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