Caduceus eloquence). The caduceus is often incorrectly used as a symbol of healthcare organizations and medical practice, particularly in North America, due to confusion with the traditional medical symbol, the Rod of Asclepius, which has only one snake and is never depicted with wings. It is thought that this symbol's long lasting association with the medical profession stems from early use of twigs to draw out long bodied inter muscular parasitic worms by wrapping them slowly around the twig so as not to break them or allow them to escape back into the body, a successful treatment still in use today,
Serpent (symbolism) of 8 serpents gnawing on the roots of Yggdrasil: Nidhöggr, Gravvitnir, Moin, Goin, Grábakr, Grafvölluðr, Svafnir and Ofnir. Sea serpents were giant cryptozoological creatures once believed to live in water, whether sea monsters such as the Leviathan or lake monsters such as the Loch Ness Monster. If they were referred to as "sea snakes", they were understood to be the actual snakes that live in Indo-Pacific waters (Family Hydrophiidae). Snakes entwined the staffs both of Hermes (the caduceus) and of Asclepius, where a single snake entwined the rough staff. On Hermes' caduceus, the snakes were not merely duplicated for symmetry,