Septum: Division separating two tissues or cavities.
Kyphosis: Abnormal convex curvature of the thoracic spine, resulting in bulge at the upper back. This may be congenital in origin or result from injury or disease.
Scoliosis: Abnormal lateral curvature of the spine that is of congenital origin, or caused by trauma or disease of the vertebrae or hipbones.
Mental retardation: Below normal intellectual development or functioning due to congenital causes, injury to the brain, or disease. It is characterized by several deficiencies that range from impaired learning ability to social and vocational insufficiency. Also called as mental deficiency.