Caduceus as a symbol of medicine significance of both symbols. This has occasioned impassioned remarks by those frustrated with the continuing confusion. It has been observed that the caduceus is particularly inappropriate for use as a medical symbol due to its long associations with the Greek god Hermes, who was patron of commerce and traders as well as thieves, liars, and gamblers. On the other hand, it has also been remarked – not without considerable irony – that commercial aims in medicine, especially in the United States of America, make the caduceus "an appropriate symbol", at least for some physicians. Others are unapologetic about the association
Saint George and the Dragon century show military saints on horseback confronting serpents with one, two or three heads. One of the earliest examples is from the chruch known as Mavrucan 3 (), generally dated to the 10th century, which portrays two "sacred riders" confronting two serpents twined around a tree, in a striking parallel to the Dioskuroi stela, except that the riders are now attacking the snake in the "tree of life" instead of a boar. In this example, at least, there appear to be two snakes with separate heads, but other examples of 10th-century Cappadocia show polycephalous snakes. A poorly preserved wall-painting at