The Temporomandibular Joint (TMJ)

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What are the main functions of the TEMPOROMANDIBULAR JOINT (TMJ)?

The main functions of the TMJ are speech and mastication.

Explain the classification of the TEMPOROMANDIBULAR JOINT (TMJ) and why it is considered a ginglymoarthrodial joint.

The TMJ is classified as a compound joint and considered a ginglymoarthrodial joint because it combines hinge (pivoting) and gliding (sliding) movements.

What is the peculiar characteristic of the TEMPOROMANDIBULAR JOINT (TMJ) regarding its articulation and closure?

The peculiar characteristic of the TMJ is that it is the only joint of the human body to have a rigid endpoint of closure.

Why can't the TMJ on one side work independently from the joint on the other side?

The TMJ on one side cannot work independently from the joint on the other side because it is a bilateral diarthrosis. Signup and view all the answers

Which components of the TEMPOROMANDIBULAR JOINT (TMJ) develop from two distinct blastema?

The articulation surfaces of the temporal bone and the mandibular condyle develop from two distinct blastema components of the TMJ. Signup and view all the answers

What is the peculiar characteristic of the TEMPOROMANDIBULAR JOINT (TMJ) regarding its closure?

It is the only joint of the human body to have a rigid endpoint of closure (D) Signup and view all the answers

Which areas of the temporal bone are of interest for the TEMPOROMANDIBULAR JOINT (TMJ)?

Mandibular fossa and articular eminence (C) Signup and view all the answers

What type of joint is the TEMPOROMANDIBULAR JOINT (TMJ) classified as?

Ginglymoarthrodial joint (B) Signup and view all the answers

What are the main functions of the TEMPOROMANDIBULAR JOINT (TMJ)?

Speech and mastication (C) Signup and view all the answers

What is the developmental origin of the components of the TEMPOROMANDIBULAR JOINT (TMJ)?

Two distinct blastema (C) Signup and view all the answers

Functions of TMJ

The TMJ is primarily responsible for speech and mastication.

TMJ Classification

The TMJ is classified as a ginglymoarthrodial joint combining hinge and gliding movements.