This symbol refers to both the Greek god of medicine Aesculapius (staff) and the snake, which was a symbol of wisdom and healing.
Snakes in mythology
Greek mythology is the body of myths and teachings that belong to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. It was a part of the religion in ancient Greece. Modern scholars refer to and study the myths in an attempt to throw light on the religious and political institutions of Ancient Greece and its civilization, and to gain understanding of the nature of myth-making itself.
Greek mythology is explicitly embodied in a large collection of narratives, and implicitly in Greek representational arts, such as vase-paintings and votive gifts. Greek myth attempts to explain the origins of the world, and details the lives and adventures of a wide variety of gods, goddesses, heroes, heroines, and mythological creatures. These accounts initially were disseminated in an oral-poetic tradition; today the Greek myths are known primarily from Greek literature.
Rod of Asclepius
The serpent, or snake, is one of the oldest and most widespread mythological symbols. The word is derived from Latin serpens, a crawling animal or snake. Snakes have been associated with some of the oldest rituals known to humankind and represent dual expression of good and evil.
In some cultures snakes were fertility symbols, for example the Hopi people of North America performed an annual snake dance to celebrate the union of Snake Youth (a Sky spirit) and Snake Girl (an Underworld spirit) and to renew fertility of Nature. During the dance, live snakes were handled and at the end of the dance the snakes were released into the fields to guarantee good crops. "The snake dance is a prayer to the spirits of the clouds, the thunder and the lightning, that the rain may fall on the growing crops.." In other cultures snakes symbolized the umbilical cord, joining all humans to Mother Earth. The Great Goddess often had snakes as her familiars - sometimes twining around her sacred staff, as in ancient Crete - and they were worshiped as guardians of her mysteries of birth and regeneration.
In Greek mythology, the Rod of Asclepius (⚕; sometimes also spelled Asklepios or Aesculapius), also known as the asklepian, is a serpent-entwined rod wielded by the Greek god Asclepius, a deity associated with healing and medicine. The symbol has continued to be used in modern times, where it is associated with medicine and health care, yet frequently confused with the staff of the god Hermes, the caduceus. Theories have been proposed about the Greek origin of the symbol and its implications.
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