10 skull and TMJ Flashcards
1
Q
What are the bones of the skull joined by?
A
fibrous sutures (symphysis)
2
Q
What are the 3 different parts of the cranium?
A
Calvaria (neurocranium)
membranous viscerocranium
chondrocranium
3
Q
Which lines mark the lateral arch of the skull?
A
superficial and supratemporal lines
4
Q
What is the pterion?
A
the junction between the sphenoid, temporal, frontal, and parietal bones
5
Q
What are the articulations in the TMJ?
A
mandibular condyl articulates with the mandicular fossae and the articular tubercle
6
Q
What is special about the synovial joint of the TMJ?
A
it has superior and inferior compartments
7
Q
What 4 main muscles are used in TMJ movement?
A
temporalis
masseter
lateral pterygoid
medial pterygoid
