Axis (anatomy) The condition, where the dens is separated from the body of the axis, is called os odontoideum, and may cause nerve and circulation compression syndrome. On its anterior surface is an oval or nearly circular facet for articulation with that on the anterior arch of the atlas. On the back of the neck, and frequently extending on to its lateral surfaces, is a shallow groove for the transverse atlantal ligament which retains the process in position. The apex is pointed, and gives attachment to the apical odontoid ligament; below the apex the process is somewhat enlarged, and presents on either
Atlas (mythology) of them (including Menoetius) were confined to Tartarus, but Zeus condemned Atlas to stand at the western edge of Gaia (the Earth) and hold up the sky on his shoulders. Thus, he was "Atlas Telamon", "enduring Atlas," and became a doublet of Coeus, the embodiment of the celestial axis around which the heavens revolve. A common misconception today is that Atlas was forced to hold the Earth on his shoulders, but Classical art shows Atlas holding the celestial spheres, not a globe; the solidity of the marble globe borne by the renowned Farnese Atlas may have aided the conflation, reinforced