alar ligament


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Related to alar ligament: Cruciate ligament, Tectorial membrane, apical ligament, Transverse ligament

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
References in periodicals archive ?
Analysis of MRI and MRI video findings in cranlocervical instability pathology of 420 patients with clinical symptoms consistent with possible spinal instability Findings Patients n (%) Complete alar ligament rupture* 20 (4.
A widened or uneven atlantodental distance implies that the alar ligaments are disrupted or dysfunctional.
9] Also, the horizontally oriented facet joints and capsules between the atlas and axis can be affected by accentuated axial rotation, which can injure the alar ligaments.