| HTV | herpes-type virus |
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| IAP | immunosuppressive acidic protein; inosinic acid pyrophosphorylase; Institute of Animal Physiology; i... |
| IHCM | ichthyosis hystrix, Curth-Macklin [type] |
| iNOS | inducible macrophage-type nitric oxide synthase |
| LTD | Laron-type dwarfism; leukotriene D; long-term disability |
| type II dip | Late deceleration of the foetal heart rate, 30 seconds or more after the height of uterine contraction, as displayed on a foetal monitor graph. (05 Mar 2000) |
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| type II error | The statistical error (said to be of the second kind or beta error) made in testing an hypothesis when it is concluded that a treatment or intervention is not effective when it really is. Sometimes referred to as a false negative. (12 Dec 1998) |
| type II familial hyperlipoproteinaemia | Hyperlipoproteinaemia characterised by increased plasma levels of beta-lipoproteins, cholesterol, and phospholipids, but normal triglycerides; heterozygotes have mild lipid changes and are susceptible to atherosclerosis in middle age, but homozygotes have severe changes often with generalised xanthomatosis and xanthelasma, and frank clinical atherosclerosis as young adults. The primary defect is a deficiency of apoprotein of VLDL, and the disorder is divided into two classes: 1) type IIA, which has elevated LDL due to a deficiency of the receptor or a modified apolipoprotein B-100; 2) type IIB, which has elevated LDL and triglycerides; autosomal dominant inheritance. Synonym: familial hyperbetalipoproteinaemia, familial hypercholesteraemic xanthomatosis, familial hypercholesterolaemia. (05 Mar 2000) |
| type II hyperlipoproteinaemia | <biochemistry> A relatively rare (7 out of 1,000) genetic disease in which there is elevation in the blood triglycerides, cholesterol and low density lipoprotein (LDL). Also called type II hyperlipoproteinaemia, familial hyperlipoproteinaemia or familial hypercholesterolaemia. Origin: Gr. Haima = blood (27 Sep 1997) |
| type II interferon | <chemical> The major interferon produced by mitogenically or antigenically stimulated lymphocytes. It is structurally different from type I interferon (interferon type I) and its major activity is immunoregulation. It has been implicated in the expression of class II histocompatibility antigens in cells that do not normally produce them, leading to autoimmune disease. Pharmacological action: antineoplastic agent, antiviral agents. Chemical name: Interferon-gamma (human lymphocyte protein moiety reduced) (12 Dec 1998) |
| type II mortality | <epidemiology> A mortality schedule in which all hosts are assumed to die at a constant rate. This constant rate is equal to the inverse of the life expectancy. (05 Dec 1998) |
| type II mucopolysaccharidosis | <syndrome> An error of mucopolysaccharide metabolism characterised by deficiency of iduronate sulfatase, with excretion of dermatan sulfate and heparan sulfate in the urine; clinically similar to Hurler's syndrome but distinguished by less severe skeletal changes, no corneal clouding, and X-linked recessive inheritance. Synonym: type II mucopolysaccharidosis. (05 Mar 2000) |
| type I interferon | <chemical> Interferon secreted by leukocytes, fibroblasts, or lymphoblasts in response to viruses or interferon inducers other than mitogens, antigens, or allo-antigens. They include alpha- and beta-interferons (interferon-alpha and interferon-beta). Pharmacological action: antineoplastic agent, antiviral agents. (12 Dec 1998) |
| type I mortality | <epidemiology> A mortality schedule in which all hosts are assumed to live for a fixed number of years equal to the life expectancy. (05 Dec 1998) |
| type IS mucopolysaccharidosis | <syndrome> A hereditary metabolic disorder caused by a recessive gene which results in a deficiency of the enzyme alpha-L-iduronidase, which breaks down dermatan sulphate and heparan sulphate, two types of mucopolysaccharides (complex carbohydrates). Consequently, the mucopolysaccharides accumulate in the cells of the body and cause damage. Symptoms include skeletal deformities, mental retardation, coronary artery disease, deafness, and stiff joints, among other things. There are mild and severe forms of the syndrome, the severe form is called Hurler syndrome, the mild form is called Scheie Syndrome, and children with an intermediate form have Hurler-Scheie Syndrome. Patients with the mild form generally suffer little to no mental retardation and survive to adulthood. There is presently no cure. Scheie's Syndrome is one of a number of related rare genetic mucopolysaccharide disorders, the most common being Hunter syndrome. (09 Oct 1997) |
| type IVA,B mucopolysaccharidosis | <syndrome> An error of mucopolysaccharide metabolism with excretion of keratan sulfate in urine; characterised by severe skeletal defects with short stature, severe deformity of spine and thorax, long bones with irregular epiphyses but with shafts of normal length, enlarged joints, flaccid ligaments, and waddling gait; autosomal recessive inheritance; type IV A mucopolysaccharidosis is due to an absence of galactose-1-sulfatase, while type IV B is due to a deficiency of a beta-galactosidase. Synonym: Brailsford-Morquio disease, Morquio's disease, Morquio-Ullrich disease, type IVA, B mucopolysaccharidosis. (05 Mar 2000) |
| type IV acrocephalosyndactyly | Acrocephalosyndactyly with pointed nose, hypertelorism, cleft palate, congenital heart disease and pseudohermaphroditism; contractures of elbows and knees; soft tissue syndactyly, absent first metatarsal and great toe. Autosomal recessive. (05 Mar 2000) |
| type IV collagen | A less distinctly fibrillar form of collagen characteristic of basement membranes. (05 Mar 2000) |
| type IV familial hyperlipoproteinaemia | Plasma levels of VLDL, pre-beta-lipoproteins and triglycerides are increased on a normal diet, but beta-lipoproteins, cholesterol, and phospholipids are normal; hypertriglyceridemia is induced by a high carbohydrate diet; may be accompanied by abnormal glucose tolerance and susceptibility to ischemic heart disease; probably autosomal recessive inheritance. Synonym: carbohydrate-induced hyperlipaemia, familial hyperprebetalipoproteinaemia, familial hypertriglyceridemia. (05 Mar 2000) |
| type IV prepilin peptidase | <enzyme> Product of the pulc-o pullulanase secretion gene operon; involved in processing prepilin signal peptide; may also function as an n-methyltransferase Registry number: EC 3.4.99.- Synonym: pulo protein, pulo gene product, pulo peptidase (26 Jun 1999) |