Caducei, the plural form of caduceus, refers to a symbol that has been used in various cultures and religions throughout history. The most common synonym for caducei is staff of Hermes, named after the Greek god of commerce and messenger of the gods. It is also known as the Wand of Mercury, named after the Roman equivalent of Hermes. The symbol is sometimes referred to as the Rod of Asclepius, which is a single serpent entwined around a staff, and is associated with the Greek god of healing. Other synonyms for caducei include the Staff of Moses, the Staff of Aaron, and the Wand of Caduceus. Regardless of the name, this symbol has been used to represent various attributes such as communication, commerce, and healing.