Describe the attachments of the articular disc of the temporomandibular joint (TMJ)
What will be an ideal response?
ANS: The articular disc of the temporomandibular joint is a biconcave structure. Both its superior and
inferior surfaces are concave, giving its peanut shape. The disc is firmly attached to the medial and
lateral poles of the condyle of the mandible but not to the capsule medially or laterally. Anteriorly,
the disc is attached to the joint capsule and to the tendon of the lateral pterygoid muscle.
Posteriorly, the disc is attached to the bilaminar retrodiscal pad, which consists of two bands
separated by loose areolar connective tissue with a rich arterial and neural supply.
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