odontoid process


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Wikipedia.

odontoid process

[ō′dän‚tȯid ‚prä·səs]
(anatomy)
A toothlike projection on the anterior surface of the axis vertebra with which the atlas articulates.
References in periodicals archive ?
41,45,58) With progression of instability, the odontoid process migrates superiorly within the ring of the atlas.
The complex pattern of vascular supply to the odontoid process seems to be associated with the high rates of nonunion, especially with fractures occurring at the base of the dens.
Anderson LD, D'Alonzo RT: Fractures of the odontoid process of the axis.
Respiratory, cardiovascular, and neurological acute compromise due to spinal cord compression from either the tumor mass or odontoid process displacement into the upper cervical spinal cord were potential risks for CC prior to surgery.
The odontoid process is often hard to visualize and may be obscured on a technically poor open-mouth view, obscured by an endotracheal or NG tube, or may be misinterpreted as fractured due to superimposition of the overlaying teeth, under the surface of the C1 ring, or at the posterior occipital base.