*scleros*

n. [ Gr. 'arthri`a + -logy. ] (Med.) a form of arteriosclerosis which affects predominantly the arterioles, found especially in people with chronic hypertension. Stedman [ PJC ]

‖n. [ NL.; Gr. &unr_; artery + sclerosis. ] (Med.) a chronic disease characterized by abnormal thickening and hardening of the walls of the arteries, esp. of the intima, occurring mostly in old age. Subtypes are distinguished, such as arteriolosclerosis and atherosclerosis. -- Ar*te`ri*o*scle*rot"ic a. [Webster 1913 Suppl. +PJC]

n. [ Gr. &unr_; + -logy. ] (Med.) a form of arteriosclerosis characterized by irregular fatty deposits on the inner surface of large and medium-sized arteries; the deposits are associated with fibrosis and calcification of the inner layer of the arteries. Similar conditions may be found in swine and fowl. The deposits may become large enough to impede the blood circulation and in some cases may restrict the blood supply to the heart. Stedman [ PJC ]

‖n. [ NL., fr. Gr. kardi`a heart + sclerosis. ] Induration of the heart, caused by development of fibrous tissue in the cardiac muscle. [ Obsolescent ] [ Webster 1913 Suppl. +PJC ]

‖n. [ NL.; osteo- + sclerosis. ] Abnormal hardness and density of bone. [ Webster 1913 Suppl. ]

a. Affected with sclerosis. [ 1913 Webster ]

‖n. [ NL., fr. Gr. (&unr_;&unr_;, fr. sklhro`s hard. ] 1. (Med.) Induration; hardening; especially, that form of induration produced in an organ by increase of its interstitial connective tissue. [ 1913 Webster ]

2. (Bot.) Hardening of the cell wall by lignification. [ 1913 Webster ]

Cerebro-spinal sclerosis (Med.), an affection in which patches of hardening, produced by increase of the neuroglia and atrophy of the true nerve tissue, are found scattered throughout the brain and spinal cord. It is associated with complete or partial paralysis, a peculiar jerking tremor of the muscles, headache, and vertigo, and is usually fatal. Formerly referred to as multiple sclerosis, disseminated sclerosis, or insular sclerosis, but now usually called only multiple sclerosis, or MS. [ 1913 Webster +PJC ]