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 Bones The Bones (), at high, is the seventh-highest peak in Ireland on the Arderin list, or the eighth-highest according to the Vandeleur-Lynam list. It is part of the MacGillycuddy's Reeks in County Kerry, and is a small sharp peak on the dramatic "Beenkeragh Ridge", and is sometimes mistaken with "The Bone", the north-east spur of Maolán Buí, which descends into the "Hag's Glen". The Bones is the highest point on a narrow rocky arête called the "Beenkeragh Ridge", situated between Carrauntoohil (Ireland's highest peak), and Beenkeragh (Ireland's second-highest peak), in the MacGillycuddy's Reeks range in County Kerry. The