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45 Cards in this Set
- Front
- Back
What are the bones of the cranium
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-frontal bone
-parietal bones (2) -occipital bone -temporal bones (2) -sphenoid bone -ethmoid bone- olfactory |
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What are the bones of the face?
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-maxillae (2)
-mandible -zygomatic bones (2) -nasal bones (2) -lacrimal bones (2) -palatine bones (2) -inferior nasal conchae (2) -vomer |
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What is the largest facial bone?
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Mandible
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Is the body of the mandible horizontal or vertical?
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Horizontal
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Is the Rami of the mandible horizontal or vertical?
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vertical
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What are the 3 muscles of mastication?
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- lateral pterygoid muscle
-temporalis muscle -masseter muscle |
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What are the main parts of the medial surface of the Ramus?
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-medial surface
-lingula -mylohyoid groove -mandibular foramen -mandibular canal ** refer to pic on lecture** |
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What are the main features of the body of the mandible?
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-lower border
-upper border & alveolar process -angle -mental foramen -genial tubercles -digatric fossa -sublingual fossa -submandibular fossa ** refer to pic on lecture** |
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Where are the genial tubericles on the mandible?
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A
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What makes the V shape of the retromandibular triangle?
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External oblique ridge and the pterygomandibular raphe
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What contributes to the maxilla?
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-hard palate
-floor and walls of nose -floor of orbit |
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on the medial aspect of the maxilla, where is the hard palate and floor and walls of nose?
on the lateral aspect of maxilla, where is the floor of orbit? |
see pic
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Know this pic for maxilla components
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see pic
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What are the main features of the anterior surface of maxilla?
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-incisive and canine fossae
-canine eminence -infraorbital foramen (infraorbital nerves and vessels) |
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What is on the posterior surface of maxilla?
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-maxillary tuberosity
-posterior superior alveolar canal openings |
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What can you see from the orbital surface of the maxilla?
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see pic
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What is on the nasal surface of maxilla?
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-maxillary sinus opening
-lateral wall of nose |
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What does the zygomatic process articulate with?
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-zygoma
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What does the frontal process articulate with anteriorly, superiorly and medially?
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-anterior- with nasal bone
-superior- with frontal bone -medial- to lateral wall of nose |
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What is the suture called of the palatine process that articulates in the midline?
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median palatine suture
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How much of the hard palate does the palatine process form?
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2/3
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What forms the floor of the nasal cavity?
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palatine process
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What nerve runs through the incisive canal?
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-nasopalatine
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Where is the incisive foramen?
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behind central incisors
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What does the palatine process articulate posteriorly?
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palatine bones
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Where are the greater and lesser foramens?
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see pic
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What makes the "L" shape of the palatine bones?
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horizontal and vertical plates
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explain the horizontal plates of the palatine bones
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-form posterior 1/3 of hard palate
-articulate with one another in midline -anteriorly articulate with palatine process of maxilla -contribute to greater and lesser palatine foramen |
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explain vertical plates of the palatine bones
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-contribute to lateral wall of nose
-contribute to greater palatine foramen -superior surface notched contributes to sphenopalatine foramen |
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Identify parts of the temporal bone from pic
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see pic
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Identify external auditory meatus, mandibular fossa and stylomastoid foramen from pic
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see pic
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What bone forms the center of the base of skull?
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Sphenoid bone
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What does the spenoid bone consist of?
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-body
-lesser wings -greater wings -pterygoid processes |
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What is the fossa on the body of the sphenoid called?
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-middle cranial fossa
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What sits in the middle cranial fossa?
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pituitary gland
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What part of the sphenoid bone contributes to the anterior part of the middle cranial fossa, optic canal and the superior orbital fissure?
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- the lesser wings
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What do the greater wings of the sphenoid contribute to?
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- floor of middle cranial fossa
-lateral walls of orbits -suprerior orbital fissure -lateral walls of cranium |
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What foramen do the greater wings contain?
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-F. ovale
-F. rotundum -F. spinosum |
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What does the pterygoid process consist of?
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- lateral pterygoid plate
-medial pterygoid plate -hamulus -pterygoid fossa |
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What are the key landmarks in the infratemporal fossa?
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- ant- max tuberosity
-sup- temporal bone - med- lateral pterygoid plate -lat- zygomatic arch/ramus |
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What does the infratemporal fossa contain?
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- mandibular branch of Cn V
-pterygoid muscles -branches of maxillary artery -pterygoid plexus of veins |
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What are the key landmarks for the ptergopalatine fossa?
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- anterior wall - posterior surface of maxilla
-posterior wall- inf part of greater wings of sphenoid & pterygoid process of sphenoid - roof- greater wing of sphenoid -medial wall- vertical plate of the palatine bone |
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What is the lateral wall and floor of the ptergopalatine fossa replaced by?
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- pterygomaxillary fissure and palatine canal respectively
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What does the ptergopalatine fossa contain?
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- maxillary branch of the Cn V
-end branches of maxillary artery -pterygopalatine ganglion |
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What does the ptergopalatine fossa communicate with?
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-post- F. rotundum
-med- phenopalatine f. -lat- pterygomaxillary fissure -sup- inferior orbital fissure -inf- palatine canal |