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Bones of the Skull
Bones related to articulation
18
Medical
11/17/2008

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Cards

Term
mandible bone
Definition
large bone of jaw
Term
mandible - anterior view landmarks
Definition
-corpus (body) of mandible = horizontal part of bone
-mental symphysis = midline point of fusion
-mental protuberance = small midline bulge
-alveolar arch = point of attachment for lower teeth
Term
mandible - posterior view landmarks
Definition
mylohyoid groove = horizontal line for muscular attachment
Term
mandible - lateral view landmarks
Definition
-corpus (body) of mandible = horizontal part of bone
-angle of mandible = point where mandible turns upward
-ramus of mandible = vertical part of bone
-coronoid process = smaller, anterior projection
-condylar process = larger, posterior projection
Term
maxilla bone
Definition
-forms most of bony portion of roof of mouth (alveolar ridge & most of hard palate)
-forms antero-lateral aspect of nasal cavity and base of eye socket (orbit)
-contains maxillary sinus (air pocket)
-if not properly fused during development --> cleft palate & lip
Term
maxilla - anterior view landmarks
Definition
-frontal process = superior projection up to frontal bone
-zygomatic process = lateral projection over to zygomatic bone
-alveolar process = inferior projection; point of attachment for upper teeth
-anterior nasal spine = midline point of suture at anterior base of nasal cavity
Term
maxilla - inferior view landmarks
Definition
-palatine process = anterior 75% of hard palate
-alveolar ridge = ridge that runs just behind teeth
-intermaxillary suture = midline point of fusion for palatine processes; location of cleft lips
Term
palatine bone
Definition
perpendicular plate = forms postero-lateral aspect of nasal cavity
Term
palatine - inferior view landmarks
Definition
-horizontal plate = forms posterior 25% of hard palate
-posterior nasal spine = midline point of suture at posterior base of nasal cavity
Term
zygomatic bone
Definition
-cheek bone
-temporal process forms anterior portion of zygomatic arch
Term
mobile articulators
Definition
-tongue
-mandible
-velum
-lips
-cheeks
-pharynx
Term
immobile articulators
Definition
-alveolar ridge of maxilla
-hard palate of maxilla
-teeth
Term
suture joint
Definition
fusion of skull bones; immobile joint; occurs during development
Term
oral cavity
Definition
from lips to the posterior faucial pillar
Term
nasal cavity
Definition
from the nares to the nasal choanae (funnel)
Term
pharyngeal cavity (pharynx)
Definition
from the nasal choanae and posterior faucial pillar to the laryngeal vestibule
Term
articulation
Definition
process of shaping the oral, nasal, and pharyngeal cavities to achieve speech sound production; during normal speech, this is accomplished quite rapidly
Term
resonance
Definition
process of filtering sounds produced through the oral or nasal cavity