Orofacial Anatomy Lect, Quiz 2

55 cards   |   Total Attempts: 189
  

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Cards In This Set

Front Back
Label Skull
  • Lateral (side)
  • Frontal
  • Mentioned: Lacrimal bone, SUTURES, Styloid Process
Label Mandible
Landmarks include:
  • mandibular foramen
Question 3
Temporal bone, features (51)
3 Parts:
  1. Squamous: forms the zygomatic process of the temporal bone, includes Articular fossa
  2. Tympanic: forms most of the E.A.M.
  3. Petrous: Posterior to the E.A.M., large roughened projection: MASTOID process- butt of skull, composed of mastoid air cells/air spaces
Question 4
Ethmoid bone (53-57)
  • superior nasal concha (top of wing)
  • middle nasal concha (bottom of wing)
  • single midline cranial bone
  • runs thru midsagittal plane, anterior to sphenoid bone
Landmarks:
  • Crista galli - serves as an attachment for layers covering the brain
  • Perpendicular plate: (part of ethmoid bone) and Vomer (not part of ethmoid bone) come together behind the septal cartilage [Forming the NASAL SEPTUM]
  • Cribriform plate: (horizontal, crosses over the perpendicular plate)
Lateral wall of Nasal Cavity (p. 58) - Identify
.
Sutures and Bony Articulations:
  • Paired sutures:
  1. Coronal > Frontal & Parietal
  2. Squamosal > Temporal & Parietal
  3. Temporozygomatic > Temporal & Zygomatic
  4. Zygomaticomaxillary > Zygomatic & Maxillae
  • Single sutures:
  1. Frontonasal > Frontal & Nasal
  2. Intermaxillary > Maxillae
  3. Lambdoidal > Occipital & Parietal
  4. Median palatine > Maxillae (anterior) & Palatine (posterior part)
  5. Sagittal > Parietal
  6. Transverse > Maxillae & Palatine
CRANIAL BONES (number)
  1. Ethmoid (1)
  2. Frontal (1)
  3. Occipital (1)
  4. Parietal (2)
  5. Sphenoid (1)
  6. Temporal (2)
FACIAL BONES (number)
  1. Inferior nasal conchae (2)
  2. Lacrimal bones (2)
  3. Mandible (1)
  4. Maxillae (2)
  5. Vomer (1)
  6. Zygomatic bones (2)
  • Palatine Bones (2) - not strictly facial bones but considered under this for learning.
What do these pass thru?
  1. Posterior Superior Alveolar artery
  2. Inferior Alveolar artery
  1. Enters the Maxilla through the posterior superior alveolar foramina on the infratemporal fossa of the maxilla
  2. Enters the mandible thru the mandibular foramen; Infratemporal fossa
Function of Larynx
  • ​Upper part of lower airway
  • "Voice box", vocial cords or ligaments are attached to posterior surface of thyroid cart.
Alveolar Process (2), main Function
Part of maxilla/mandible bones containing roots of teeth
Which bone is moveable in skull?
Mandible
Which bone is related to the E.A.M.? (Ext. Acoustic Meatus)
Temporal bone: tympanic part
  • short canal leading to tympanic membrane when intact
Styloid-mastoid foramen - What nerve?
Foramen (hole) in Temporal bone carrying facial or 7th cranial nerve
Question 14
Identify:
  1. Condyle (on mandibular ramus):
  2. Coronoid notch:
  1. Oval head that is involved in TMJ, (oval prominence found at articulations)​
  2. Concave anterior curve (greatest depression), forms in the main part of the anterior border of the mandibular ramus.
  • landmark: Adm. inferior alveolar block
Question 15
External oblique line
  • Inferior to coronoid notch
  • anterior border of mandibular ramus
  • crest where the mandibular ramus joins the body of mandible