The intervertebral disc is which type of joint?

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Multiple Choice

The intervertebral disc is which type of joint?

Explanation:
Joints are classified by tissue into fibrous, cartilaginous, and synovial. The intervertebral disc is a cartilaginous joint, specifically a secondary cartilaginous joint called a symphysis, where adjacent vertebral bodies are joined by a fibrocartilaginous disc. The disc has an outer annulus fibrosus of tough fibrous rings and a central nucleus pulposus that acts like a gel, allowing compression and limited movement while cushioning the spine. This distinguishes it from a suture (a fibrous, immovable skull joint), an interosseous membrane (a fibrous connection between bones), and an epiphyseal plate (a hyaline cartilage growth plate that forms a synchondrosis).

Joints are classified by tissue into fibrous, cartilaginous, and synovial. The intervertebral disc is a cartilaginous joint, specifically a secondary cartilaginous joint called a symphysis, where adjacent vertebral bodies are joined by a fibrocartilaginous disc. The disc has an outer annulus fibrosus of tough fibrous rings and a central nucleus pulposus that acts like a gel, allowing compression and limited movement while cushioning the spine. This distinguishes it from a suture (a fibrous, immovable skull joint), an interosseous membrane (a fibrous connection between bones), and an epiphyseal plate (a hyaline cartilage growth plate that forms a synchondrosis).

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