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BIOL161A Lab > Lab 2: Origins/Insertions/Actions > Flashcards

Lab 2: Origins/Insertions/Actions Flashcards

1
Q

masseter

A

origin: zygomatic arch (MAXILLA)
insertion: masseteric fossa (DENTARY)
actions: close jaw, pull jaw fwd/side to side

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2
Q

temporalis

A

origin: temporal fossa (FRONTAL & PARIETAL)
insertion: coronoid process (DENTARY)
actions: close jaw, pull jaw backwd

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3
Q

pterygoideus

A

origin: pterygoid fossa (SPHENOID)
insertion: medial surface of angular process (DENTARY)
acitons: close jaw, pull jaw side to side

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4
Q

digastric

A

origin: mastoid & jugular processes
insertion: ventral border of dentary
actions: open jaw

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BIOL161A Lab (8 decks)

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