Skeletal disease which cause immobility and fusion of vertebral joints is called

Explanation

Spondylosis, also known as spinal osteoarthritis, is a degenerative disorder that affects the spine, particularly the intervertebral discs and the facet joints. It can lead to the formation of bone spurs and the narrowing of the spinal canal. In advanced cases, it can cause immobility and fusion of vertebral joints, especially in the cervical (neck) or lumbar (lower back) regions.