Muscles 1
movable muscle mass separating the oral and nasal cavities
What is the velum?
divides the hard palate into two equal halves
What is the intermaxillary suture?
elevate and retract lips
What is the Zygomatic major?
bone makes up the prominent structure we identify as cheekbones
What is the Zygomatic Bone
narrows the tongue
What is the Transverse muscle of the tongue?
moves food onto grinding surfaces of molars
What is the Buccinator muscle?
point of articulation of the zygomatic bone and maxilla
What is the maxillary process
depresses the mandible
What is the platysma?
this bone contains the Mental Foramen for CN5
What is the Mandible?
depresses the tongue
What is the Chondroglossus?
constrict oral opening
What is the obicularis oris (superior and inferior)?
an unpaired, midline bone making up the inferior and posterior nasal septum
What is the Vomer
retract lips at the corners
What is the Risorius muscle?
provide the hard palate, point of attachment for the soft palate, alveolar ridge, upper dental arch, and dominant structures of the nasal cavities
What is the Maxillae
elevates the tongue tip, assists in retraction of, or deviates the tip of the tongue
What is the superior longitudinal muscle of the tongue?
pulls sides of tongue down
What is the hyloglossus muscle?
serves as the core of the skull and face, with the prominent crista galli protruding into the cranium and the perpendicular plate dividing the nasal cavities
What is the ethmoid bone?
draws tongue back and up
What is the styloglossus muscle?
separate the nasal and cranial cavities and provide the conduit for the olfactory nerves
What are the cribriform plates
pulls tip of the tongue downward; assists in retraction; deviates the tongue
What is the inferior longitudinal muscle of the tongue?
Elevates the tongue OR Depresses the soft palate
what is the palatoglossus muscle?
paired processes of the maxilla that form the anterior hard palate
What are the palatine processes?
narrows pharynx; lowers soft palate
What is the palatopharyngeus muscle?
These bones are almost completely hidden in the intact skull. They articulate with the maxillae, frontal bone, nasal bone, and inferior conchae.
What are the lacrimal bones?
elevates and retracts the posterior velum
What is the Levator veli palatini muscle?