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12 Cards in this Set
- Front
- Back
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What are the 4 muscles of mastication?
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Temporalis
Masseter Pterygoid Digastricus |
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Which 3 muscles that close the jaw?
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Temp.
Mass. Ptery. |
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Which muscle opens the jaw?
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Digastricus
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Where is the origin of the temporalis muscle?
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Parietal bone
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Where does the temporalis muscle insert?
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Coronoid process on mandible
(extends ventrally under zygomatic arch) |
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Where is the origin of the masseter muscle?
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Ventral border of the zygomatic arch
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Where does the masseter m. insert?
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Ventro-medial border of mandible
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How many pterygoid muscles do you find in:
a) herbivore b) carnivore |
a) 2
b) 1 |
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Where is the origin of the pterygoid muscle?
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Lateral surface of the palatine and sphenoid bones
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Where does the pterygoid m. insert?
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Medial side of ramus on m
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Where is the origin of the digastricus muscle?
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Occipital bone
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Where does the digastricus m. insert?
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Ventral border of the mandible
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