sclerosis - Definition | Dictionary definition of sclerosis

Definition of sclerosis

any pathological hardening or thickening of tissue

Types:: show 7 types...; hide 7 types...; MS, disseminated multiple sclerosis, disseminated sclerosis, multiple sclerosis
a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers; ALS, Lou Gehrig's disease, amyotrophic lateral sclerosis
thickening of tissue in the motor tracts of the lateral columns and anterior horns of the spinal cord; results in progressive muscle atrophy that starts in the limbs; arteriolosclerosis
sclerosis of the arterioles; arterial sclerosis, arteriosclerosis, coronary-artery disease, hardening of the arteries, induration of the arteries
sclerosis of the arterial walls; atherosclerosis, coronary artery disease
a stage of arteriosclerosis involving fatty deposits (atheromas) inside the arterial walls, thus narrowing the arteries; arteriosclerosis obliterans
a stage of arteriosclerosis involving closure of blood vessels; osteosclerosis
abnormal hardening or eburnation of bone