atlas Table of Contents atlas Directory References Discover Why Doesn’t Arizona Observe Daylight Saving Time? 12 Greek Gods and Goddesses The Seven Sacraments of the Roman Catholic church New Seven Wonders of the World Titanosaurs: 8 of the World's Biggest Dinosaurs 7 Deadliest Weapons in History The Largest Islands in the World atlas vertebra Learn about this topic in these articles:skull In skull…the highest vertebra, called the atlas, permitting nodding motion. The atlas turns on the next-lower vertebra, the axis, to allow for side-to-side motion.Read More