Scoliosis

Scoliosis is a deformity of the spine. Normally, the backbone should be flat when viewed from the back. In scoliosis, the backbone is bent to the right or left side when viewed from the back. In scoliosis, the backbone is in the form of "S" or "C".  

Disc Hernia

A disk is a fibrocartilage structure between the vertebrae and serving as pillows. The disk consists of a central structure in gel-like form called "nucleus pulposus" and a hard outer layer called "anulus fibrosus" surrounding it.