%sclero%

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]

adj. 1. of or pertaining to arteriosclerosis. [ WordNet 1.5 ]

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. ]

‖n. [ Rhino- + scleroma. ] (Med.) A rare disease of the skin, characterized by the development of very hard, more or less flattened, prominences, appearing first upon the nose and subsequently upon the neighboring parts, esp. the lips, palate, and throat. J. V. Shoemaker. [ 1913 Webster ]

n. [ Gr. sklhro`s hard + ba`sis base. ] (Zool.) The calcareous or hornlike coral forming the central stem or axis of most compound alcyonarians; -- called also foot secretion. See Illust. under Gorgoniacea, and Coenenchyma. -- Scler`o*ba"sic a. [1913 Webster]

n. [ Gr. sklhro`s hard + de`rma skin: cf. F. scléroderme. ] (a) (Zool.) One of a tribe of plectognath fishes (Sclerodermi) having the skin covered with hard scales, or plates, as the cowfish and the trunkfish. (b) One of the Sclerodermata. (c) Hardened, or bony, integument of various animals. [ 1913 Webster ]

‖n. [ NL. ] (Med.) A disease of adults, characterized by a diffuse rigidity and hardness of the skin. [ 1913 Webster ]

‖n. pl. [ NL. ] (Zool.) The stony corals; the Madreporaria. [ 1913 Webster ]

n. (Zool.) (a) The hard integument of Crustacea. (b) Sclerenchyma. [ 1913 Webster ]

{ } (Zool.) (a) Having the integument, or skin, hard, or covered with hard plates. (b) Of or pertaining to the Sclerodermata. [ 1913 Webster ]

n. [ Gr. sklhro`s hard + -gen. ] (Bot.) The thickening matter of woody cells; lignin. [ 1913 Webster ]

a. [ Gr. sklhro`s hard + -genous. ] (Anat.) Making or secreting a hard substance; becoming hard. [ 1913 Webster ]

a. [ Gr. &unr_;; sklhro`s hard + e'i^dos form. ] (Bot.) Having a hard texture, as nutshells. [ 1913 Webster ]

‖n. [ NL., fr. Gr. sklhro`s hard + -oma. ] (Med.) Induration of the tissues. See Sclerema, Scleroderma, and Sclerosis. [ 1913 Webster ]

n. [ Gr. sklhro`s hard + -meter. ] An instrument for determining with accuracy the degree of hardness of a mineral. [ 1913 Webster ]

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 ]

n. [ Gr. sklhro`s hard + E. skeleton. ] (Anat.) That part of the skeleton which is developed in tendons, ligaments, and aponeuroses. [ 1913 Webster ]

a. (Anat.) Sclerotic. -- n. The optic capsule; the sclerotic coat of the eye. Owen. [ 1913 Webster ]

a. [ Gr. sklhro`s hard: cf. F. sclérotique. ] 1. Hard; firm; indurated; -- applied especially in anatomy to the firm outer coat of the eyeball, which is often cartilaginous and sometimes bony. [ 1913 Webster ]

2. (Anat.) Of or pertaining to the sclerotic coat of the eye; sclerotical. [ 1913 Webster ]

3. (Med.) Affected with sclerosis; sclerosed. [ 1913 Webster ]

Sclerotic parenchyma (Bot.), sclerenchyma. By some writers a distinction is made, sclerotic parenchyma being applied to tissue composed of cells with the walls hardened but not thickened, and sclerenchyma to tissue composed of cells with the walls both hardened and thickened. [ 1913 Webster ]

n. [ Cf. F. sclérotique. ] (Anat.) The sclerotic coat of the eye. See Illust. of Eye (d). [ 1913 Webster ]

a. (Chem.) Pertaining to, or designating, an acid obtained from ergot or the sclerotium of a fungus growing on rye. [ 1913 Webster ]

a. (Anat.) Sclerotic. [ 1913 Webster ]

‖n. [ NL. See Sclerotic, and -itis. ] (Med.) Inflammation of the sclerotic coat. [ 1913 Webster ]

‖n.; pl. Sclerotia [ NL., fr. Gr. sklhro`s hard. ] 1. (Bot.) A hardened body formed by certain fungi, as by the Claviceps purpurea, which produces ergot. [ 1913 Webster ]

2. (Zool.) The mature or resting stage of a plasmodium. [ 1913 Webster ]

n. [ Gr. sklhro`s hard + te`mnein to cut. ] (Zool.) One of the bony, cartilaginous, or membranous partitions which separate the myotomes. -- Scler`o*tom"ic a. [1913 Webster]