Introduction The zygomatic bone ( os zygomaticum , also commonly referred to as the zygoma, cheekbone, or malar bone) is a paired, irregularly shaped bone of the viscerocranium . It forms the prominen...

Introduction The lacrimal bone ( os lacrimale ) is a paired, roughly rectangular bone that forms the anterior portion of the medial wall of the orbit. Situated between the frontal process of the maxil...

Introduction The vomer is an unpaired, thin, trapezoid-shaped bone located in the median sagittal plane of the nasal cavity. Together with the ethmoid bone , it forms the bony nasal septum (specifical...

Introduction The ethmoid bone (os ethmoidale) is an unpaired bone situated centrally along the sagittal line of the skull between the two orbits, projecting inferior to the anterior cranial fossa (fos...

Introduction The palatine bone (os palatinum) is a thin, paired, L-shaped bone of the viscerocranium. It forms the posterior portion of the hard palate ( palatum durum ) . Situated between the pterygo...

Introduction The lower jaw (mandible) is an unpaired U-shaped (as commonly described in English-language literature) or horseshoe-shaped bone. It belongs to the facial skeleton ( viscerocranium ) and...