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Questions and Answers
What borders the temporal fossa superiorly?
What borders the temporal fossa superiorly?
- Zygomatic arch
- Pair of temporal lines (correct)
- Infratemporal crest
- Frontal and zygomatic bones
Which nerve is a content of the temporal fossa?
Which nerve is a content of the temporal fossa?
- Facial nerve
- Zygomaticotemporal nerve (correct)
- Trigeminal nerve
- Hypoglossal nerve
Where does the temporalis muscle originate from?
Where does the temporalis muscle originate from?
- Bone of temporal fossa and temporal fascia (correct)
- Coronoid process of mandible
- Infratemporal crest
- Zygomatic arch
What is the action of the temporalis muscle?
What is the action of the temporalis muscle?
What structures form the roof of the infratemporal fossa?
What structures form the roof of the infratemporal fossa?
Flashcards
What marks the superior border of the temporal fossa?
What marks the superior border of the temporal fossa?
A pair of bony ridges located on the temporal bone, marking the superior border of the temporal fossa.
What nerve travels through the temporal fossa?
What nerve travels through the temporal fossa?
The zygomaticotemporal nerve, a branch of the maxillary nerve (V2) in the trigeminal nerve, traverses the temporal fossa.
Where does the temporalis muscle originate from?
Where does the temporalis muscle originate from?
The temporalis muscle originates from the temporal fossa, a region of the skull behind the eye.
What is the action of the temporalis muscle?
What is the action of the temporalis muscle?
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What forms the roof of the infratemporal fossa?
What forms the roof of the infratemporal fossa?
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Study Notes
Temporal Fossa
- The zygomatic process of the frontal bone borders the temporal fossa superiorly.
Contents of Temporal Fossa
- The zygomatic branch of the temporal nerve is a content of the temporal fossa.
Temporalis Muscle
- The temporalis muscle originates from the temporal fossa and the temporal fascia.
- The action of the temporalis muscle is elevation of the mandible (closing of the jaw).
Infratemporal Fossa
- The roof of the infratemporal fossa is formed by the greater wing of the sphenoid bone and the temple bone.
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