A medical condition characterized by the hardening of tissue, usually due to abnormal fibrous formation.

ऊतक का कठोर होना

English Usage: Multiple sclerosis is a chronic disease that affects the central nervous system.

Hindi Usage: मल्टीपल स्क्लेरोसिस एक पुरानी बीमारी है जो केंद्रीय नERVE प्रणाली को प्रभावित करती है।