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mondofacto - Online Medical Dictionary
Category: Health and Medicine > Medical Dictionary
Date & country: 26/01/2008, UK
Words: 116197
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orcinol testSynonym for Bial's test ... A test for pentoses with orcinol. ... Synonym: orcinol test. ... (05 Mar 2000) ...
orciprenaline<chemical> A beta-adrenergic agonist used in the treatment of asthma and bronchospasms. ... Pharmacological action: adrenergic beta-agonists, bronchodilator agents, sympathomimetic, tocolytic agents. ... Chemical name: 1,3-Benzenediol, 5-(1-hydroxy-2-((1-methylethyl)amino)ethyl)- ... (12 Dec 1998) ...
orciprenaline sulfateSynonym for metaproterenol sulfate ... 3,5-Dihydroxy-alpha-[(isopropylamino)methyl]benzyl alcohol sulfate;a sympathomimetic bronchodilator used for the treatment of bronchial asthma and in chronic obstructive lung disease. It has relatively greater effect on b2-adrenergic receptors than b1, conferring some selectivity in relaxing bronchiolar smooth …
Ord<abbreviation> Optical rotatory dispersion. ... Symbol for orotidine. ... (05 Mar 2000) ...
ordain1. To set in order; to arrange according to rule; to regulate; to set; to establish. 'Battle well ordained.' 'The stake that shall be ordained on either side.' (Chaucer) ... 2. To regulate, or establish, by appointment, decree, or law; to constitute; to decree; to appoint; to institute. 'Jeroboam ordained a feast in the eighth month.' (1 Kings xii. …
ordeal1. An ancient form of test to determine guilt or innocence, by appealing to a supernatural decision, once common in Europe, and still practiced in the East and by savage tribes. ... In England ordeal by fire and ordeal by water were used, the former confined to persons of rank, the latter to the common people. The ordeal by fire was performed, eithe …
ordeal beanSynonym for physostigma ... The dried seed of Physostigma venenosum (family Leguminosae), a vine of western Africa; it contains the alkaloids physostigmine (eserine), eseramine, eseridine (geneserine) and physovenine; in toxic doses it causes vomiting, colic, salivation, diarrhoea, convulsions, sweating, dyspnea, vertigo, slow pulse, and extreme pro …
order<zoology> A taxonomic classification between class and family. ... (09 Oct 1997) ...
orderedSynonym for ordered mechanism ... A scheme for substrate binding and product release for multisubstrate enzymes; for a two-substrate two-product enzyme with an ordered mechanism, one particular substrate has to bind to the enzyme first followed by the other substrate; chemistry then occurs, products are formed and are released from the enzyme in a d …
ordered mechanismA scheme for substrate binding and product release for multisubstrate enzymes; for a two-substrate two-product enzyme with an ordered mechanism, one particular substrate has to bind to the enzyme first followed by the other substrate; chemistry then occurs, products are formed and are released from the enzyme in a distinct order. More complex order …
ordered on-random off mechanismA scheme for substrate binding and product release for multisubstrate enzymes; for a two-substrate two-product enzyme with this mechanism, the individuals have to bind to the enzyme in a distinct order; however, once the products are formed they may dissociate from the enzyme in either order. It has been suggested that pyruvate kinase has such a me …
orderlyAn attendant in a hospital unit who assists in the care of patients. ... (05 Mar 2000) ...
ordinal scaleA scale that is based on classification of persons or things into ordered qualitative categories, such as socioeconomic status. ... (05 Mar 2000) ...
ordinance1. Orderly arrangement; preparation; provision. 'They had made their ordinance Of victual, and of other purveyance.' (Chaucer) ... 2. A rule established by authority; a permanent rule of action; a statute, law, regulation, rescript, or accepted usage; an edict or decree; especially, a local law enacted by a municipal government; as, a municipal ordi …
ordinary1. According to established order; methodical; settled; regular. 'The ordinary forms of law.' ... 2. Common; customary; usual. 'Method is not less reguisite in ordinary conversation that in writing.' (Addison) ... 3. Of common rank, quality, or ability; not distinguished by superior excellence or beauty; hence, not distinguished in any way; commonpla …
ordinary high water mark<marine biology> That line on the shore established by the fluctuations of water and indicated by physical characteristics such as clear, natural line impressed on the bank, shelving, changes in the character of the soil, destruction of terrestrial vegetation, the presence of litter and debris, or other appropriate means that consider the cha …
ordinateWell-ordered; orderly; regular; methodical. 'A life blissful and ordinate. ... <mathematics> ' Ordinate figure, a figure whose sides and angles are equal; a regular figure. ... Origin: L. Ordinatus, p. P. Of ordinare. See Ordain. ... <geometry> The distance of any point in a curve or a straight line, measured on a line called the axis of o …
ordination1. The act of ordaining, appointing, or setting apart; the state of being ordained, appointed, etc. 'The holy and wise ordination of God.' (Jer. Taylor) 'Virtue and vice have a natural ordination to the happiness and misery of life respectively.' (Norris) ... 2. The act of setting apart to an office in the Christian ministry; the conferring of holy …
ore1. The native form of a metal, whether free and uncombined, as gold, copper, etc, or combined, as iron, lead, etc. Usually the ores contain the metals combined with oxygen, sulphur, arsenic, etc. (called mineralizers). ... 2. <chemical> A native metal or its compound with the rock in which it occurs, after it has been picked over to throw out …
orecticPertaining to or characterised by orexia. ... (05 Mar 2000) ...
orexia1. The affective and conative aspects of an act, in contrast to the cognitive aspect. ... Synonym: appetite. ... Origin: G. Orexis, appetite ... (05 Mar 2000) ...
orexigenicAppetite-stimulating. ... (05 Mar 2000) ...
orfA specific disease of sheep and goats, caused by the orf virus. This virus is transmissible to man and characterised by vesiculation and ulceration of the infected site. ... Synonym: contagious ecthyma, contagious pustular dermatitis, scabby mouth, soremouth. ... Origin: O.E. Orfcwealm, murrain, fr. Orf, cattle, + cwealm, destruction ... (05 Mar 2000) …
orf virusThe type species of parapoxvirus which causes a skin infection in natural hosts, usually young sheep. Humans may contract local skin lesions by contact. The virus apparently persists in soil. ... (12 Dec 1998) ...
organ1. An instrument or medium by which some important action is performed, or an important end accomplished; as, legislatures, courts, armies, taxgatherers, etc, are organs of government. ... 2. <biology> A natural part or structure in an animal or a plant, capable of performing some special action (termed its function), which is essential to the …
organ culture<cell biology> Culture in vitro of pieces of tissue (as opposed to single cells) in such a way as to maintain some normal spatial relationships between cells and some normal function. Contrast with tissue culture. ... (18 Nov 1997) ...
organ of cortiThe organ that contains the special sensory receptors for hearing. It is composed of a series of epithelial structures placed upon the inner part of the basilar membrane. ... (12 Dec 1998) ...
organ of hearingSynonym for cochlear labyrinth ... The content of the cochlea including the portion of the membranous labyrinth containing the spiral organ (cochlear duct) and the perilymphatic channels (scalae) which lie on either side. ... Synonym: labyrinthus cochlearis, organ of hearing. ... (05 Mar 2000) ...
organ of smellSynonym for olfactory organ ... The olfactory region in the superior portion of the nasal cavity. ... Synonym: organum olfactus, organ of smell. ... (05 Mar 2000) ...
organ of touchAny one of the sensory end organs. ... Synonym: organum tactus, tactile organ. ... (05 Mar 2000) ...
organ of visionSynonym for visual organ ... The eye and its adnexa. ... Synonym: organum visus, organ of vision. ... (05 Mar 2000) ...
organ of zuckerkandl<radiology> Para-aortic chromaffin body, adjacent to abdominal sympathetic plexus, site: aortic bifurcation or IMA origin, most common extra-adrenal site of pheochromocytoma ... (12 Dec 1998) ...
organ preservation solutionsSolutions used to store organs, particulary those awaiting implantation. ... (12 Dec 1998) ...
organ procurementThe obtaining of organs for transplantation, which includes methods of obtaining through programs, systems, or organizations. It includes also the transporting of donor organs, after surgical removal, to the hospital for processing and transplant. ... (12 Dec 1998) ...
organ specificityRestriction of a characteristic or response to a particular organ of the body; it usually refers to that property of the immune response which differentiates one organ from another on the basis of antigen recognition, but the concept is not limited to immunology. ... (12 Dec 1998) ...
organ transplantationTransference of an organ between individuals of the same species or between individuals of different species. ... (12 Dec 1998) ...
organ-specificDenoting or pertaining to a serum produced by the injection of the cells of a certain organ or tissue that, when injected into another animal, destroys the cells of the corresponding organ. ... (05 Mar 2000) ...
organ-specific antigenA heterogenetic antigen with organ specificity; e.g., in addition to species-specific antigen, kidney of one species contains antigen that is identical to that in kidney of other species. ... Synonym: tissue-specific antigen. ... (05 Mar 2000) ...
organaPlural of organum. ... (05 Mar 2000) ...
organa genitaliaSynonym for genital organs ... The organs of reproduction or generation, external and internal. ... Synonym: organa genitalia, genitalia, genitals. ... (05 Mar 2000) ...
organa genitalia feminina externaSynonym for external female genital organs ... The external feminine genital organs, the vulva and clitoris. ... Synonym: organa genitalia feminina externa. ... (05 Mar 2000) ...
organa genitalia feminina internaSynonym for internal female genital organs ... The internal feminine genital organs, the ovaries, uterine tubes, uterus, and vagina. ... Synonym: organa genitalia feminina interna. ... (05 Mar 2000) ...
organa genitalia masculina externaSynonym for external male genital organs ... The external masculine genital organs, the penis and scrotum. ... Synonym: organa genitalia masculina externa. ... (05 Mar 2000) ...
organa genitalia masculina internaSynonym for internal male genital organs ... The internal masculine genital organs, the testes, epididymides, deferent ducts, seminal vesicles, prostate, and bulbourethral glands. ... Synonym: organa genitalia masculina interna. ... (05 Mar 2000) ...
organa oculi accessoriaSynonym for accessory organs of the eye ... The eyelids, with lashes and eyebrows, lacrimal apparatus, conjunctival sac, and extrinsic muscles of the eyeball. ... Synonym: organa oculi accessoria, accessory organs, accessory visual apparatus, adnexa oculi, appendages of eye. ... (05 Mar 2000) ...
organa sensuumSynonym for sense organs ... The organs of special sense, including the eye, ear, olfactory organ, taste organs, and the accessory structures associated with these organs. ... Synonym: organa sensuum. ... (05 Mar 2000) ...
organa urinariaSynonym for urinary organs ... Organs involved with the formation, storage, and excretion of urine. ... Synonym: organa urinaria. ... (05 Mar 2000) ...
organelle<cell biology> A structurally discrete component of a cell. ... (18 Nov 1997) ...
organellesSpecific, usually subcellular, particles of membrane-bound organised living substances present in practically all eukaryotic cells, including mitochondria, the golgi complex, endoplasmic reticulum, lysosomes, centrioles and the cell centre, as well as the plastids of plant cells. Includes also the minute organs of protozoa concerned with such funct …
organicAny foods grown without the use of chemical fertilisers or pesticides, in soil made rich by composting and mulching. Pertaining to carbon-based compounds produced by living plants, animals or by synthetic processes. ... (27 Sep 1997) ...
organic acidAn acid made up of molecules containing organic radicals; e.g., acetic acid, citric acid, which contain the ionizable -COOH group. ... (05 Mar 2000) ...
organic brain syndrome<syndrome> A constellation of behavioural or psychological signs and symptoms including problems with attention, concentration, memory, confusion, anxiety, and depression caused by transient or permanent dysfunction of the brain. ... Synonym: acute organic brain syndrome, OBS, organic mental syndrome. ... (05 Mar 2000) ...
organic catalystA catalyst that is an organic molecule. ... See: enzyme, ribozyme. ... (05 Mar 2000) ...
organic chemicalsA broad class of substances containing carbon and its derivatives. Many of these chemicals will frequently contain hydrogen with or without oxygen, nitrogen, sulfur, phosphorus, and other elements. They exist in either carbon chain or carbon ring form. ... (12 Dec 1998) ...
organic chemistry<chemistry> A branch of chemistry that deals specifically with the structures, synthesis and reactions of carbon-containing compounds. ... (11 Jan 1998) ...
organic compound<chemistry> A compound containing carbon. ... (11 Jan 1998) ...
organic contractureContracture, usually due to fibrosis within the muscle that persists whether the subject is conscious or unconscious. ... Synonym: fixed contracture. ... (05 Mar 2000) ...
organic deafnessDeafness due to a pathologic process or an organic aetiology, as opposed to psychogenic deafness. ... (05 Mar 2000) ...
organic debris<ecology> Debris consisting of plant or animal material. ... (11 Jan 1998) ...
organic delusionsFalse beliefs experienced in the delirium associated with dementia in conjunction with traumatic injury to the brain, or an organic change in the brain such as in Alzheimer's syndrome, or in cocaine or other drug intoxication. ... (05 Mar 2000) ...
organic dental cementA dental cement consisting mainly of synthetic polymers. ... (05 Mar 2000) ...
organic disease<disease> A disease process which occurs as the result of a demonstrable anatomic or physiologic abnormality. ... (27 Sep 1997) ...
organic evolutionSynonym for biologic evolution ... Biologic evolution was contrasted with cultural evolution in 1968 by A.G. Motulsky who pointed out that biologic evolution is mediated by genes, shows a slow rate of change, employs random variation (mutations) and selection as agents of change, new variants are often harmful, these new variants are transmitted fro …
organic headacheHeadache due to intracranial disease. ... (05 Mar 2000) ...
organic levelThe amount of organic matter prescribed to be left after logging. ... (05 Dec 1998) ...
organic mental disorderA psychological, cognitive, or behavioural abnormality associated with transient or permanent dysfunction of the brain, usually characterised by the presence of an organic mental syndrome. ... (05 Mar 2000) ...
organic mental syndromeSynonym for organic brain syndrome ... <syndrome> A constellation of behavioural or psychological signs and symptoms including problems with attention, concentration, memory, confusion, anxiety, and depression caused by transient or permanent dysfunction of the brain. ... Synonym: acute organic brain syndrome, OBS, organic mental syndrome. ... ( …
organic molecule<chemistry> A molecule with a basic skeleton made up of a skeleton of carbon atoms plus hydrogen and oxygen atoms and, in proteins, nitrogen. ... Organic molecules may also include isolated atoms of other elements. ... (11 Jan 1998) ...
organic mood syndrome<syndrome> Syndrome attributed to an organic factor characterised by either depressive or manic mood. ... See: bipolar disorder. ... (05 Mar 2000) ...
organic murmurA murmur caused by an organic lesion. ... (05 Mar 2000) ...
organic painPain caused by an organic lesion. ... (05 Mar 2000) ...
organic principleSynonym for proximate principle ... In chemistry, an organic compound that may exist already formed as a part of some other more complex substance (e.g., various sugars, starches, and albumins). ... Synonym: organic principle. ... (05 Mar 2000) ...
organic strictureA stricture due to the presence of cicatricial or other new tissue, not spasmodic. ... Synonym: permanent stricture. ... (05 Mar 2000) ...
organic vertigoVertigo due to brain damage. ... (05 Mar 2000) ...
organicistOne who believes in, or subscribes to the views of, organicism. ... (05 Mar 2000) ...
organidinSynonym for iodinated glycerol ... A form of organically bound iodine which liberates iodine systemically. Has been used as a medicinal source of iodine and as an expectorant in place of inorganic iodides such as potassium iodide. ... Synonym: iodopropylidene glycerol, organidin. ... (05 Mar 2000) ...
organisation mondiale de la sant'The World Health organisation (who). ... (12 Dec 1998) ...
organiseTo provide with, or to assume, a structure. ... (05 Mar 2000) ...
organised pneumoniaUnresolved pneumonia in which fibrous tissue forms in the alveoli. ... (05 Mar 2000) ...
organiser1. Originally applied to a group of cells on the dorsal lip of the blastopore, which induce differentiation of cells in the embryo and control growth and development of adjacent parts. ... 2. Any group of cells having such a controlling influence, the effects being brought about through the action of an evocator. ... (05 Mar 2000) ...
organising centre<cell biology> See microtubule organising centre. ... (18 Nov 1997) ...
organism<biology> Any individual living thing, whether animal or plant. ... (18 Nov 1997) ...
organismal density<microbiology> Number of organisms or items per unit area or volume. ... (09 Oct 1997) ...
organization1. The act of organizing; the act of arranging in a systematic way for use or action; as, the organization of an army, or of a deliberative body. 'The first organization of the general government.' ... 2. The state of being organised; also, the relations included in such a state or condition. 'What is organization but the connection of parts in and …
organization and administrationThe planning and managing of programs, services, and resources. ... (12 Dec 1998) ...
organizational affiliationFormal relationships established between otherwise independent organizations. These include affiliation agreements, interlocking boards, common controls, hospital medical school affiliations, etc. ... (12 Dec 1998) ...
organizational case studiesDescriptions and evaluations of specific health care organizations. ... (12 Dec 1998) ...
organizational cultureBeliefs and values shared by all members of the organization. These shared values are reflected in the day to day operations of the organization. ... (12 Dec 1998) ...
organizational innovationIntroduction of changes which are new to the organization and are created by management. ... (12 Dec 1998) ...
organizational objectivesThe purposes, missions, and goals of an individual organization or its units, established through administrative processes. It includes an organization's long-range plans and administrative philosophy. ... (12 Dec 1998) ...
organizational policyA course or method of action selected, usually by an organization, institution, university, society, etc., from among alternatives to guide and determine present and future decisions and positions on public matters. It does not include internal policy relating to the organization and administration within the corporate body, for which organization …
organizationsAdministration and functional structures for the purpose of collectively systematizing activities for a particular goal. ... (12 Dec 1998) ...
organizations, nonprofitOrganizations which are not operated for a profit and may be supported by endowments or private contributions. ... (12 Dec 1998) ...
organize1. <biology> To furnish with organs; to give an organic structure to; to endow with capacity for the functions of life; as, an organised being; organised matter; in this sense used chiefly in the past participle. 'These nobler faculties of the mind, matter organised could never produce.' (Ray) ... 2. To arrange or constitute in parts, each hav …
organo-Organ; organic. ... Origin: G. Organon ... (05 Mar 2000) ...
organoaxialRotation around the long axis of the organ; a type of gastric volvulus. ... (05 Mar 2000) ...
organoferricRelating to an organic compound containing iron. ... (05 Mar 2000) ...
organogelA hydrogel with an organic liquid instead of water as the dispersion means. ... (05 Mar 2000) ...
organogenesis<embryology> The process of formation of specific organs in a plant or animal involving morphogenesis and differentiation. ... (18 Nov 1997) ...
organogeneticOrganogenic ... Relating to organogenesis. ... (05 Mar 2000) ...
