硬こう化か症しょう

noun

sclerosis

Medical term for hardening of tissue or organs; often used in compound disease names like 多発性硬化症 (multiple sclerosis).

• 多た発はつ性せい硬こう化か症しょうは中ちゅう枢すう神しん経けい系けいの病びょう気きです。

  Multiple sclerosis is a disease of the central nervous system.