5 Questions
What borders the temporal fossa superiorly?
Pair of temporal lines
Which nerve is a content of the temporal fossa?
Zygomaticotemporal nerve
Where does the temporalis muscle originate from?
Bone of temporal fossa and temporal fascia
What is the action of the temporalis muscle?
Elevation and retraction of mandible
What structures form the roof of the infratemporal fossa?
Inferior surfaces of the greater wing of the sphenoid and the temporal bone
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.
Test your knowledge of the temporal fossa with this quiz. Identify its borders and contents, and challenge yourself with questions about the anatomy of this important cranial space.
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