Question

multiple choice question

what are articular discs, as the one in the temporomandibular joint, made of?

elastic cartilage
fibrocartilage
hyaline cartilage

Explanation:

Identify the structure and function

Using the Articular Discs knowledge point

Articular discs are pads of fibrocartilage situated between articulating bones. They absorb shock, improve fit, and facilitate smooth joint movement.

Analyze the tissue composition

Using the Articular Discs knowledge point

The temporomandibular joint (TMJ) contains an articular disc composed of dense fibrocartilage. This tissue provides high tensile strength and elasticity to withstand compressive forces.

Evaluate the given options

Using the Articular Discs knowledge point

• Elastic cartilage: Found in the external ear and epiglottis, not TMJ discs.
• Fibrocartilage: Correct composition of TMJ articular discs.
• Hyaline cartilage: Covers articulating bone surfaces, but does not form the disc itself.

Answer:

• Elastic cartilage
• Fibrocartilage (Correct answer)
• Hyaline cartilage