| Namespace | MPheno.ontology | Obsolete | false |
| description | any structural anomaly of the vertical and largest, flat part of the frontal bone which forms the forehead and comprises the frontal sinuses; this part contains the supraorbital notch, the superciliary arches, the glabella, and the zygomatic processes which arise caudolaterally from the squamous part and articulate with the zygomatic bone |
