Hi and Welcome to HCM,
Degenerative disc disease
refers to wear changes in the individual discs of the spine .
Severe DDD which causes more degree of pain and clinical picture. Conditions like herniated disc
abnormal bulge or breaking open of a spinal disc, Spinal stenosis
, the narrowing of the spinal canal
camera, the open space in the spine that holds the spinal cord.
Signal loss is sign of disc degeneration. This occurs due to the dehydration of the tissue cause weak.. In MRI image no signal seen.
Wish you speedy recovery