alar ligament

(redirected from Check ligament of the odontoid)
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alar ligament

one of a pair of ligaments that connect the axis to the occipital bone and limit rotation of the cranium. Also called check ligament, odontoid ligament. Compare membrana tectoria.

alar 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