Infratemporal region Flashcards Preview

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Flashcards in Infratemporal region Deck (6):
1

What forms the medial boundary of the infratemporal region?

lateral pterygoid plate of the sphenoid

2

What forms the lateral boundary of the infratemporal region?

ramus of the mandible

3

What are the contents of the infratemporal region?

medial and lateral pterygoid muscles, internal maxillary artery and branches, pterygoid venous plexus, internal maxillary vein, branches of the trigeminal & facial nerves & otic ganglion

4

What is the embryonic origin of skeletal muscles innervated by the trigeminal nerve?

the skeletal muscle is derived from the branchial arches hence Branchial Efferent (BE)

5

Identify the muscles of mastication.

temporalis, masseter, medial pterygoid, lateral pterygoid

6

What is the innervation for each of the muscles of mastication?

medial pterygoid muscle - medial pterygoid nerve, mandibular division, trigeminal nerve
lateral pterygoid muscle - lateral pterygoid nerve, mandibular division, trigeminal nerve
masseter muscle - masseteric nerve, mandibular division, trigeminal nerve
temporalis muscle - anterior and posterior deep temporal nerves, mandibular division, trigeminal

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