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| 91. | mental foramen | opening located on the anterior-lateral side of the mandibular body |
| 92. | mental protuberance | inferior margin of anterior mandible that forms the chin |
| 93. | middle cranial fossa | centrally located cranial fossa that extends from the lesser wings of the sphenoid bone to the petrous ridge |
| 94. | middle nasal concha | nasal concha formed by the ethmoid bone that is located between the superior and inferior conchae |
| 95. | mylohyoid line | bony ridge located along the inner (medial) surface of the mandibular body |
| 96. | nasal bone | paired bones that form the base of the nose |
| 97. | nasal cavity | opening through skull for passage of air |
| 98. | nasal conchae | curved bony plates that project from the lateral walls of the nasal cavity; include the superior and middle nasal conchae, which are parts of the ethmoid bone, and the independent inferior nasal conchae bone |
| 99. | nasal septum | flat, midline structure that divides the nasal cavity into halves, formed by the perpendicular plate of the ethmoid bone, vomer bone, and septal cartilage |
| 100. | nasolacrimal canal | passage for drainage of tears that extends downward from the medial-anterior orbit to the nasal cavity, terminating behind the inferior nasal conchae |
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