 He possessed a single vein running with ichor that was stoppered by a nail in his back.Talos guarded Europa on Crete and threw boulders at intruders until the Argonauts came after the acquisition of the Golden Fleece and the sorceress Medea took out the nail, releasing the ichor and killing him.In pathology, "ichor" is an antiquated term for a watery discharge from a wound or ulcer, with an unpleasant or fetid (offensive) smell.