13 Questions
Which muscle is responsible for elevating the mandible during the process of chewing?
Temporalis
What type of synovial joint is the temporomandibular joint (TMJ)?
Combined hinge and planar joint
Which structure in the TMJ articulates with the articular tubercle of the temporal bone?
Condylar process
Which muscle is responsible for closing the eyelids?
Orbicularis Oculi
What is the primary function of Levator Palpebrae Superioris?
Elevating and retracting the upper eyelid
Which part of the skull is the Galea aponeurotica layer attached to?
Superior nuchal line
In which area is the muscle Frontalis located?
Forehead
What does the TMJ-articular disc (meniscus) do?
Separates the joint cavity into superior and inferior compartments
Which structure has a loose covering around the circumference of the joint?
Articular capsule
Where does the TMJ-lateral ligament extend from and to?
From tubercle of the zygomatic process to the neck of the mandible
What is the function of TMJ-Sphenomandibular ligament?
Contributes significantly to the strength of TMJ
Which ligament separates the parotid gland from the submandibular gland?
Stylomandibular ligament
How is dislocation of TMJ commonly caused?
Dislocation is caused by a sideways blow to the chin
Test your knowledge on the anatomy of the temporomandibular joint (TMJ) including the mandibular fossa, articular disc, synovial cavities, condylar process, fibrocartilaginous disc, and articular capsule.
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