Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to alar ligament: Cruciate ligament, Tectorial membrane, apical ligament, Transverse ligament
One of a pair of short round ligaments extending up from the sides of the dens, through the foramen of the atlas, and attaching to the sides of the foramen magnum of the skull. They limit side flexion and rotation of the head in relation to the vertebral column
See also: ligament
Medical Dictionary, © 2009 Farlex and Partners