mastication Flashcards
what are the muscles of mastication?
temporalis.
masseter
medial pterygoid
lateral pterygoid
temporomandibular joint?
joint between mandible and temporal bone of cranium
quadrilateral masseter origin?
zygomatic arch
where does masseter insert?
lateral surface of mandible
masseter function?
elevate mandible
nerve supply for masseter?
mandibular division of trigeminal nerve (CN5)
Origin of Temporalis?
Frontal
parietal
temporal
sphenoid
where does temporalis insert?
coronoid process of mandible
how does temporalis elevate mandible?
vertical fibres
what temporalis fibres pull the mandible back
horizontal fibres
nerve supply for Temporalis?
mandibular division of trigeminal nerve
where is MEDIAL pterygoid muscle located?
medial to ramus
origin of medial pterygoid?
maxilla and sphenoid bone( lateral pterygoid plate)
where does medial pterygoid insert?
medial of ramus
function of medial pterygoid?
elevate mandible and side to side movement