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
The Bones the Scottish Mountaineering Club ("SMC") as one of 34 Furths, which is a mountain above in elevation, and meets the other SMC criteria for a Munro (e.g. "sufficient separation"), but which is outside of (or "furth") Scotland; which is why The Bones is sometimes referred to as one of the 13 Irish Munros. The Bones' prominence qualifies it to meet the Arderin classification, and the British Isles Simm and Hewitt classifications. The Bones is not in the MountainViews Online Database, "100 Highest Irish Mountains", as the prominence threshold is over . The Bones The Bones (), at high, is the