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Museum of Osteopathic Medicine
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Books : Prints : Historical : Stationery Products : D.O. Caduceus Gifts : Novelty

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D.O. Caduceus Gifts

Two snakes or one?
By tradition, the medical profession has been recognized by the caduceus symbol - a crude stick or staff intertwined with two serpents. The authentic caduceus of a doctor of osteopathy, however, is entwined with only a single serpent. There is an appropriate, though little known, reason behind this distinction.

In Greek and Roman mythology, the gods Hermes and Mercury carried a staff with two serpents. These two gods are described respectively as the "conductor of souls to Hades" and the "god of commerce and thieves." In contrast, the Roman god of healing, Aesculapius, carried a staff with a single snake. Snakes were sacred to Aesculapius because it was believed that they could renew their youth by shedding their old skin and growing a new one.

Historically, D.O.s have chosen to identify with the healing symbolism of Aesculapius' single snake emblem rather than the images portrayed by the patrons of the two-serpent version. NOTE: The addition of wings to either staff acknowledges medical personnel with military status.

We take pride in offering several gift items featuring the authentic D.O. caduceus.

D.O. Bookmark

D.O. Bookmark


Our new and improved bookmarks not only have a larger D.O. caduceus, but they are now made of solid metal.  Each bookmark is enclosed in its own gift folder.