Infratemporal fossa and Temperomandibular joint

Question 1

Answer 1

Question 2

Boundaries of infratemporal fossa

• lateral
• anterior
• medial
• roof
• posterior
• inferior

Answer 2

Question 3

inferior aspect of sphenoid

Answer 3

Question 4

lateral sphenoid

Answer 4

Question 5

Anterior sphenoid top posterior sphenoid bottom

Answer 5

Question 6

posteroinferior sphenoid bone

Answer 6

Question 7

yawning does what for pteryogoid plexus

Answer 7

lateral pterygoid expands helps w/ blood return from plexus

Question 8

Contents of infratemporal fossa:

Muscles, arteries, nervous structures

Answer 8

Question 9

Answer 9

Question 10

Lateral pterygoid in place

Answer 10

Question 11

lateral pterygoid cut

Answer 11

Question 12

study this

Answer 12

Question 13

Medial, Lateral pterygoid function, innervation, attachments

Answer 13

Question 14

Temporalis:

-action, origin/insertion, innervation

Answer 14

Question 15

Masseter:

-origin, insertion, action, innervation

Answer 15

Question 16

What opens the mandible?

• can only use hyoid if its fixed, so what opens the mandible and what fixed hyoid
• summary slide

Answer 16

Question 17

Movements of the mandible summary
-elevation, depression, protrustion, retrustion, lateral movements

Answer 17

Question 18

Answer 18

Stylomandibular ligament branchial arch 1

ligaments limit inferior excursion at TMJ

Question 19

TMJ

Answer 19

superior head of lateral attaches to articular disc

Question 20

TMJ during gape before 15 degrees vs beyond

Answer 20

Question 21

Innervation to TMJ

Answer 21