Temporomandibular joint

HideShow resource information
What is the temporomandibular joint?
The meeting of the upper temporal bone and the mandible.
1 of 11
What is the condyle?
The round end of the lower jaw.
2 of 11
What fits into the socket when the jaw is closed?
The articular disk and the condyle.
3 of 11
How is the mandible primarily moved?
By the four muscles of mastication
4 of 11
What are the four muscles of mastication?
The masseter, the lateral pterygoid and medial pterygoid and the temporalis
5 of 11
What is the articular disc made of?
Cartilage
6 of 11
What does the articular disc do?
It divides the joint into two compartments
7 of 11
What makes up the lower compartment?
The condyle and the articular disc
8 of 11
What movement does the lower compartment allow?
Rotational movement - the initial movement of the jaw when the mouth opens
9 of 11
What makes up the upper compartment?
The mandibular fossa and the articular disc
10 of 11
What movement does the upper compartment allow?
Translational movement - the secondary gliding as the jaw opens widely
11 of 11

Other cards in this set

Card 2

Front

What is the condyle?

Back

The round end of the lower jaw.

Card 3

Front

What fits into the socket when the jaw is closed?

Back

Preview of the front of card 3

Card 4

Front

How is the mandible primarily moved?

Back

Preview of the front of card 4

Card 5

Front

What are the four muscles of mastication?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Medicine resources:

See all Medicine resources »See all The temporomandibular joint (TMJ) resources »