Sclerosis is a hardening of tissue, and can refer to:

• multiple sclerosis, a central nervous system disease which affects coordination
• hippocampal sclerosis, a brain damage oftenly seen in individuals with temporal lobe epilepsy
• systemic sclerosis (progressive systemic scleroderma), a rare, chronic disease which affects the skin, an in some cases also blood vessels and internal organs
• amyotrophic lateral sclerosis, a progressive, incurable, usually fatal disease of motor neurons. Steven Hawking suffers from this disease.

See also atherosclerosis, a disease of arteries

Sclérose | Skleros