Sphenethmoid - definition of Sphenethmoid by The Free Dictionary
Also found in: Medical
|a.||1.||(Anat.) Of or pertaining to both the sphenoidal and the ethmoidal regions of the skull, or the sphenethmoid bone; sphenethmoidal.|
|(Anat.) a bone of the skull which surrounds the anterior end of the brain in many amphibia; the girdle bone.|
|n.||1.||(Anat.) The sphenethmoid bone.|
References in periodicals archive
In the orbitotemporal region, the sphenethmoid
commissures, a pair of arched slender cartilaginous rods, extends from the nasal capsule to the planum supraseptale.
parodii differs from remaining Calyptocephalellids in having a very large size, sphenethmoid
bone showing longitudinal wing-like lateral processes, a very low teeth number (less than 6 premaxillary and 45 maxillary teeth), dorsoventrally low maxilla with a proportionally small and deeply concave orbital margin (fig.
Prenasal, internasal, and dermal sphenethmoid