| Nasal Septum | | part of the skull that encloses and protects the brain |
| Orbits | | 2 cone shaped cavities for the eyeballs |
| Lambda | | The cusps and grooves do not fit into each other when the mouth is closed |
| cerebral cranium | | the position of the upper and lower teeth in relation to each other when the mouth is closed |
| Malocclusion | | point on the vertex of the skull where the sagittal suture meets the coronal suture |
| Bregma | | unossified areas at the junction where threen bones of the skull meet in an infant |
| visceral cranium | | 4 pairs of air-filled cavities within 4 of the cranial bones |
| Occlusion | | point at the posterior end of the sagittal suture where the occipital and two parietal bones meet |
| paranasal sinuses | | the prominence on the anterior part of the mandible at the midline |
| Nasal Cavities | | 14 bones that form the facial skeleton |
| Fontanelles | | The partition between the two nasal cavities |
| Piriform Opening | | Point at the outer margin of the eye where the upper and lower eyelids meet |
| Lateral Canthus | | 2 chambers of the nose (right and left) |
| Mouth | | the expanded upper cavity of the digestive tract |
| Mentum | | the pear shaped hole between the two maxillary bones |