Laboratory Manual to accompany Saladin: Anatomy & Physiology, Fifth EditionLABORATORY 1l Axial Skeleton-Skullnasal septum is removed, you should be able to see thesuperior nasal concha and the middle nasal conchaof the ethmoid bone. Below these is the inferior nasalconcha, a separate, distinct bone, Look for the junctionbetween the palatine bone and the palatine process ofthe maxilla. These two bony plates make up the hardpalate. If the mandible.is present, locate th-e.mandibulariot"*"t on the inner aspect of the mandible' It trans-mits branches of the trigeminal nerve and blood vesselsto the mandible.SinusesThere 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' Theoa"ranasal -siouses occur around the region of the nosesarrd are named for the bones in which they are found'They include the frontal sinus, the maxillary sinus, theethmoid sinus (or air cells), and the sphenoid sinus'
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Bones of the head and neck, ethmoid bone, middle nasal concha, coronoid process ofthe mandible