TMJ Flashcards
when the jaw opens wide what stops it from going into the neck?
Hinge and slide motion
what kind of joint is between the temporal bone and the mandible?
synovial joint
Name this part of a synovial joint
joint capsule
Name this part of a synovial joint
synovial membrane
Name this part of a synovial joint
hyaline articular cartilage
Name this part of a synovial joint
synovial fluid
what is the function of the hyaline articular cartilage in a synovial joint?
cushions the surface
movement at the TMJ is limited to? 2
contralateral TMJ
teeth
the TMJ is capable of what 2 movements?
hinge
slide
the TMJ is capable of hinge and slide movements so its called a ? joint
ginglymoarthroidial joint
name this bone that’s part of the TMJ
temporal bone
name this part of the TMJ
glenoid fossa
name this part of the TMJ
articular eminence
name this bone that’s part of the TMJ
zygomatic bone
name this part of the TMJ
condyle
the glenoid fossa is thin so what happens to the masticatory forces?
transmitted through the teeth
which side of the condyle is wider?
medial
how is the TMJ a special synovial joint? 2
2 compartments
fibrous cartilage not hyaline cartilage
name this part of the TMJ
joint capsule
the joint capsule is attached to what?
the glenoid fossa
the joint capsule is continuous with what?
the disc