LABORATORY 1l Axial Skeleton-Skull nasal septum is removed, you should be able to see the superior nasal concha and the middle nasal concha of the ethmoid bone. Below these is the inferior nasal concha, a separate, distinct bone, Look for the junction between the palatine bone and the palatine process of the maxilla. These two bony plates make up the hard palate. If the mandible.is present, locate th-e.mandibular iot"*"t on the inner aspect of the mandible' It trans-mits branches of the trigeminal nerve and blood vessels to the mandible. Sinuses There are numerous sinuses and air cells in the skull' These sinuses provide shape to the skull while decreas-ing its weight ind some add resonance to the voice' The oa"ranasal -siouses occur around the region of the nose sarrd are named for the bones in which they are found' They include the frontal sinus, the maxillary sinus, the ethmoid sinus (or air cells), and the sphenoid sinus'
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This note was uploaded on 02/09/2012 for the course BIO 102 taught by Professor William during the Spring '11 term at Harvard.