Mastication all TRIGEMINAL

Question 1

masseter

Answer 1

powerful muscle that covers the lateral aspect of the mandibular ramus
O-zygomatic arch
I- Ramus of mandible
A-elevates mandible

Question 2

Temporalis

Answer 2

fan shaped muscle covers parts of the temporal and frontal and parietal bones
O-temporal bone
I-coronoid process of mandible
A-elevates mandible

Question 3

medial PTerygoid

Answer 3

deep 2 headed muscle
O-sphenoid palatine and maxillary bones
I-medial surface of mandible
A- elevates mandible (side to side)

Question 4

lateral Pterygoid

Answer 4

deep 2 headed muscle superior to medial Pterygoid
O-sphenoid bone
I-anterior surface of mandibular condyle
A-depresses and protracts mandible (side to side)