TMJizzle

Question 1

What are the structures of the TMJ joint? (3)

Answer 1

Mandibular condyle (mandible)
articular fossa (temporal bone)
articular eminence (temporal bone)

Question 2

What are the ligaments that limit mandibular movement? (4)

Answer 2

Temporomandibular lig.
capsular lig.
stylomandibular lig.
sphenomandibular lig.

Question 3

What is the attachment location of the temporomandibular ligament?

Answer 3

attaches from zygomatic arch to neck of condyle

Question 4

What forms the lateral part of the capsular ligament?

Answer 4

temporomandibular ligament

Question 5

What are the borders of the fibrous capsule (capsular ligament)?

Answer 5

Upper: temporal bone, around the circumference of the articular fossa and articular eminence

Lower: around neck of condyloid process of mandible

Question 6

What are the attachments of the stylomandibular ligament?

Answer 6

from styloid process of temporal bone to posterior angle of the mandible

Question 7

What are the attachments of the sphenomandibular ligmanent?

Answer 7

from angular spine of sphenoid bone to lingual of mandible

Question 8

What two structures articulate with the disc in the TMJ?

Answer 8

the condyloid process of the mandible and the mandibular fossa of the temporal bone

Question 9

The ligament that limits the amount of movement of the mandible and attaches from the inferior surface of the neurocranium to the lingula of the mandible is the

Answer 9

sphenomandibular ligament

Question 10

Where on the temporal bone does the mandible function?

Answer 10

on the posterior inferior portion of the articular eminence