cranial bones Flashcards
what is the only moveable bone in the cranium?
mandible
mental process
ramus
coronoid process
condyloid process
mandible
what is the “bat bone”?
sphenoid bone
which part of the oral cavity is a place of articulation and an articulator?
the velum
temporalis
masseter
internal (medial) pterygoid
mandibular elevators
what attaches above the level of the mandible?
mandibular elevators
origin: broadly across temporal bone
insertion: inferiorly on coronoid process and ramus of mandible
temporalis
which mandibular elevator suspends the mandible?
temporalis
origin: zygomatic arch
insertion: inferiorly on angle and lateral ramus of mandible
masseter
origin: lateral pterygoid plate
insertion: inferiorly on angle and medial ramus of mandible
internal (medial) pterygoid
the internal pterygoid and masseter make up the ______
mandibular sling
what does the mandibular sling do?
holds up the mandible
anterior belly of digastric
external (lateral) pterygoid
geniohyoid
mylohyoid
mandibular depressors
mandibular depressors attach ___ the level of the mandible
below
which mandibular depressor attaches about the level of the mandible?
external (lateral) pterygoid
origin: mandible
insertion: hyoid bone
anterior belly of digastric
origin: sphenoid one
insertion: condyloid process of mandible
external (lateral) pterygoid
origin: mandible
insertion: hyoid bone
geniohyoid
origin: mandible
insertion: median raphe and hyoid bone
mylohoid
the median raphe is _____
aponeurosis
what does the external pterygoid do?
moves the condyloid forward
segments made with elevated mandible (closed mouth)
consonants
segments made with a depressed mandible (open mouth)
vowels
