The staff and serpent of Asclepius.
The Staff of Asclepius is one of the most common symbols associated with medical profession. The emblem of a single snake and a staff is a true representation of medicine in contrast to the caduceus. The origin, meaning, and evolution of the Staff of Asclepius is found in antiquity.
Bohigian
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D004616:Emblems and Insignia / Q000266:history*; D049690:History, Ancient; D009229:Mythology