Facial bone that contains a sinusUploader: Pedro 24 days ago Subscribe 2175
The frontal bone also forms the supraorbital margin of the orbit. If this occurs, a cleft lip will also be seen. The hyoid bone is an independent bone that does not contact any other bone and thus is not part of the skull Figure 7. Projecting downward are the medial and lateral pterygoid plates. Cleft lip is a common developmental defect that affects approximately 1: The frontal bone forms the roof and the zygomatic bone forms the lateral wall and lateral floor. The anterior nasal septum is formed by the septal cartilagea flexible plate that fills in the gap between the perpendicular plate of the ethmoid and vomer bones. These condyles form joints with the first cervical vertebra which allow for the nodding as in agreement motion of the head.