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 Maze of Bones up of stereotypes and the writing "carefully bland, as if it didn’t trust its readers enough". "Scholastic Parent & Child" magazine also included the novel within its 100 "Greatest Books for Kids." The Maze of Bones The Maze of Bones is the first novel of The 39 Clues series, written by Rick Riordan and published September 9, 2008 by Scholastic. It stars Amy and Dan Cahill, two orphans who discover, upon their grandmother Grace's death, that they are part of the powerful Cahill family, whose members constantly fight each other for Clues, which are ingredients to a mysterious serum. The