- Sclerosis is a hardening of a cell wall or body tissues.
An example of sclerosis is a rigid state of the knee due to thickening or hardening.
- Bot. a hardening of the cell wall of a plant, usually by an increase of lignin
- an abnormal hardening of body tissues or parts, esp. of the nervous system or the walls of arteries
- a disease characterized by this
Origin of sclerosisMiddle English sclirosis ; from Medieval Latin ; from Classical Greek sklērōsis, a hardening ; from sklēros, hard: see sclera
- a. A thickening or hardening of a body part, as of an artery, especially from excessive formation of fibrous interstitial tissue.b. A disease characterized by this thickening or hardening.
- Botany The hardening of cells by the formation of a secondary wall and the deposition of lignin.
Origin of sclerosisMiddle English sclirosis, from Medieval Latin sclīrōsis, from Greek sklērōsis, hardening, from sklēroun, to harden; see scleroma.
- (pathology) The abnormal hardening of body tissues, such as an artery.
From Ancient Greek σκλήρωσις (sklerosis, “an induration”), from *σκληροῦν (skleroyn, “to harden, indurate”), from σκληρός (skleros, “hard”)