Exoccipital


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Related to Exoccipital: parietal bone, occipital protuberance

Ex`oc`cip´i`tal


a.1.(Anat.) Pertaining to a bone or region on each side of the great foremen of the skull.
References in periodicals archive ?
The occipital region comprises the supra-occipital bones (Os supraoccipitale), exoccipital (Os exoccipitale) and basioccipital (Os basioccipitale- BS, Figures.
The proatlas gives rise to the exoccipital bone and participates in the formation of the occipital condyle and the tip of the odontoid process).
The exoccipital region is delimited by the tympanic ala (Cavum tympanicum--AT) (Fig.
The ossification is observed in the medial and posterior regions of the basal plate, which correspond to basisphenoid, basioccipital and exoccipital.
Elements include a portion of the paired premaxillae containing alveoli for the second and third incisors; maxillae with most of the premolars (PM) intact (right PM4, PM3, PM2; left PM4, PM3, the last loose in matrix); the jugals, zygomatic processes, squamosals, and exoccipital are largely intact.
In newborn and young specimens, other openings in the occipital region (located above the fenestrae) were observed, corresponding to the fontanelles, formed by the union of the exoccipital, parietal and supraoccipital bones (Figure 5).
Filleul & Maisey reported a 'lagenar capsule' (see below) on the exoccipital and also the basioccipital of [dagger] Santanichthys diasii; this seems to indicate that the members of this taxon exhibited CS-1.
Epiotic large, bearing crest for attachment of epaxial musculature (lesser crests also occurring on supraoccipital, exoccipital and pterotic).