atlantooccipital joint

(redirected from atlanto-occipital articulation)

at·lan·to·oc·cip·i·tal joint

[TA]
a condylar synovial joint between the superior articular facets of the atlas and the condyles of the occipital bone.

atlantooccipital joint

[-oksip′itəl]
Etymology: Gk, atlas, to bear; L, ob, against, caput, head
one of a pair of condyloid joints formed by the articulation of the atlas of the vertebral column with the occipital bone of the skull. It includes two articular capsules, two membranes, and two lateral ligaments. The atlantooccipital joint permits nodding and lateral movements of the head.

at·lan·to·oc·cip·i·tal joint

(at-lantō-ok-sipi-tăl joynt, at-lantō-ok-sipi-tăl joynt) [TA]
Articulation between the superior facets of the atlas and the condyles of the occipital joint.
Synonym(s): articulatio atlantooccipitalis, atlanto-occipital articulation.

atlantooccipital joint (atlan´toksip´itl),

n condyloid joint formed by the articulation of the atlas of the vertebral column with the occipital bone of the skull.
References in periodicals archive ?
Multiple variations of partial assimilation have been reported and may involve any aspect of atlanto-occipital articulation.
The upper cervical spine is especially critical to overall mobility, as approximately one-half of the flexion/extension arc is achieved by the atlanto-occipital articulation, and approximately 50% of neck rotation occurs between the atlas and axis.
These myalgic disturbances are called "the ocular-cervical syndrome" which consists of a pressure sensibility of the atlanto-occipital articulation, trochlealgia (neuralgia of ciliary nerves), and myalgia of the obliquus superior and of the rectus inferior muscles.
The suggested displacement of the crista galli and apparent intact dens and atlanto-occipital articulation are consistent with the type of trauma resulting from a device such as a rod or brain hook pushed through the cribriform plate to remove the brain.