Temporal Fossa

Question 1

What is the relationship of middle cranial fossa, temporal fossa, and infratemporal fossa?

Answer 1

MTF is medial and within cranium; TF is lateral and sits above zygomatic arch; IFT sits wedged between zygomatic arch, mandible, and inferior temporal bone

Question 2

What are the opposing and shared functions of lateral and medial pterygoid muscles?

Answer 2

LP protrudes the jaw while MP retracts the jaw; both function in side-to-side movements of the jaw

Question 3

Describe the course of the maxillary artery after branching from ECA

Answer 3

enters IFT: mandibular(deep to mandible) and pterygoid (runs with muscle and dives between heads) component; third part runs in pterygopalatine fossa

Question 4

The middle meningeal artery is a branch of what artery?

Answer 4

maxillary artery, 1st part aka mandibular

Question 5

Maxillary artery travels between what nerves?

Answer 5

two branches of the auriculotemporal nerve

Question 6

Where does the inferior alveolar artery emerge from the mandible and what is it then called?

Answer 6

mental foramen; called mental artery

Question 7

What is the venous drainage of infratemporal fossa?

Answer 7

pterygoid plexus