Multiple sclerosis damages the myelin that protects nerves and then forms scar tissue which causes various symptoms to occur.
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 skl?r?sis, a hardening from skl?ros, 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 ÏƒÎºÎ»Î®ÏÏ‰ÏƒÎ¹Ï‚ (sklerosis, “an induration"), from *ÏƒÎºÎ»Î·ÏÎ¿á¿¦Î½ (skleroyn, “to harden, indurate"), from ÏƒÎºÎ»Î·ÏÏŒÏ‚ (skleros, “hard")