Ingl茅s
Hard or hardening.
The autoimmune disease called multiple sclerosis causes lesions and hardening of nerves in the central nervous system often affecting motor function.
K始iche始
Koo on kkowirik.
Ri kowirisanem re ri seseb' kk'ulmatajik aretaq jun winaq ku tij nimalaj taq tzam chupam nim raqan taq q'ijb'al.