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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

subungual exostosis
Painful osseous outgrowths that elevate the nail of the great toe or fingers in young people. ... (05 Mar 2000) ...

subungual haematoma
<dermatology, surgery> A collection of blood under the fingernail, often the result of blunt trauma to the nail. ... (06 Mar 1998) ...

subungual melanoma
<tumour> A melanoma beginning in the skin at the border of or beneath the nail. ... Synonym: melanotic whitlow. ... (05 Mar 2000) ...

subunit
<cell biology> Components from which a structure is built, thus myosin has six subunits, microtubules are built of tubulin subunits. In some cases it may be more informative to speak of protomers. ... (06 Mar 1998) ...

subunit vaccine
<pharmacology> A vaccine composed of a purified antigenic determinant that is separated from the disease-causing organism. ... (06 Mar 1998) ...

suburban health
The status of health in suburban populations. ... (12 Dec 1998) ...

suburban health services
Health services, public or private, in suburban areas. The services include the promotion of health and the delivery of health care. ... (12 Dec 1998) ...

suburban population
The inhabitants of peripheral or adjacent areas of a city or town. ... (12 Dec 1998) ...

subvalvar
Subvalvular ... Below any valve. ... (05 Mar 2000) ...

subvalvar stenosis
Synonym for subaortic stenosis ... <cardiology> The congenital narrowing of the outflow tract of the left ventricle due to a ring of fibrous tissue or enlargement of the ventricular septum. ... (27 Sep 1997) ...

subvalvular aortic stenosis
<radiology> Types: anatomic/fixed subaortic stenosis: associated with cardiac defects in 50% (usually VSD), functional/dynamic subartic stenosis: asymetrical septal hypertrophy (ASH), idiopathic hypertrophic subaortic stenosis (IHSS), hypertrophic obstructive cardiomyopathy (HOCM) findings: asymmetrically thicker ventricular septum than free …

subversion
The act of overturning, or the state of being overturned; entire overthrow; an overthrow from the foundation; utter ruin; destruction; as, the subversion of a government; the subversion of despotic power; the subversion of the constitution. 'The subversion [by a storm] of woods and timber . . . Through my whole estate.' (Evelyn) 'Laws have been oft …

subvirile
Deficient in virility. ... (05 Mar 2000) ...

subvitrinal
Beneath the vitreous body. ... (05 Mar 2000) ...

subvocal speech
Slight movements of the muscles of speech related to thinking but producing no sound. ... (05 Mar 2000) ...

subvolution
An obsolete term for turning over a flap of mucous membrane, as in the operation for pterygium, to prevent adhesion. ... Origin: L. Sub, under, + volvo, pp. Volutus, to turn ... (05 Mar 2000) ...

subwaking
Denoting the mental state between sleeping and waking. ... (05 Mar 2000) ...

subyearling
A juvenile fish less than 1 year old. ... (09 Oct 1997) ...

subzygomatic
Below or beneath the zygomatic bone or arch. ... (05 Mar 2000) ...

succagogue
1. Stimulating the flow of juice. ... 2. An agent having such an effect. ... Origin: L. Succus, juice, + G. Agogos, leading ... (05 Mar 2000) ...

succedaneous
1. Relating to a succedaneum. ... 2. Relating to the permanent or second teeth that replace the deciduous or primary teeth. ... Origin: see succedaneum ... (05 Mar 2000) ...

succedaneous dentition
Synonym for permanent tooth ... One of the 32 teeth belonging to the second or permanent dentition; eruption of the permanent teeth begins from the fifth to the seventh year, and is not completed until the seventeenth to the twenty-third year, when the last of the wisdom teeth appears. ... Synonym: dens permanens, dens succedaneus, second tooth, seco …

succedaneous tooth
Synonym for permanent tooth ... One of the 32 teeth belonging to the second or permanent dentition; eruption of the permanent teeth begins from the fifth to the seventh year, and is not completed until the seventeenth to the twenty-third year, when the last of the wisdom teeth appears. ... Synonym: dens permanens, dens succedaneus, second tooth, seco …

succeed
1. To come in the place of another person, thing, or event; to come next in the usual, natural, or prescribed course of things; to follow; hence, to come next in the possession of anything; often with to. 'If the father left only daughters, they equally succeeded to him in copartnership.' (Sir M. Hale) 'Enjoy till I return Short pleasures; for long …

succenturiate
In anatomy succenturiate means substituting for or accessory to an organ. For example, see succenturiate placenta. Succenturiate placenta: an extra placenta separate from the main placenta. In anatomy succenturiate means substituting for or accessory to an organ. In this case, a succenturiate placenta is an accessory placenta. ... (12 Dec 1998) ...

succenturiate placenta
An extra placenta separate from the main placenta. In anatomy succenturiate means substituting for or accessory to an organ. In this case, a succenturiate placenta is an accessory placenta. ... (12 Dec 1998) ...

successful
Resulting in success; assuring, or promotive of, success; accomplishing what was proposed; having the desired effect; hence, prosperous; fortunate; happy; as, a successful use of medicine; a successful experiment; a successful enterprise. 'Welcome, nephews, from successful wars.' (Shak) ... Synonym: Happy, prosperous, fortunate, auspicious, lucky. S …

succession
1. The act of succeeding, or following after; a following of things in order of time or place, or a series of things so following; sequence; as, a succession of good crops; a succession of disasters. ... 2. A series of persons or things according to some established rule of precedence; as, a succession of kings, or of bishops; a succession of events …

successive
1. Following in order or in uninterrupted course; coming after without interruption or interval; following one after another in a line or series; consecutive; as, the successive revolution of years; the successive kings of Egypt; successive strokes of a hammer. 'Send the successive ills through ages down.' (Prior) ... 2. Having or giving the right o …

successive contrast
The visual effect caused by viewing a brightly coloured object and then a gray surface; the latter appears tinged with the complementary colour of the object. Viewing a surface coloured in the complementary colour of the object rather than in gray enhances the colour intensity of the surface. ... (05 Mar 2000) ...

succimer
<chemical> A mercaptodicarboxylic acid used as an antidote to heavy metal poisoning because it forms strong chelates with them. ... Pharmacological action: antidotes, chelating agents. ... Chemical name: Butanedioic acid, 2,3-dimercapto-, (R*,S*)- ... (12 Dec 1998) ...

succinate
Intermediate of the tricarboxylic acid cycle and glyoxylate cycle. ... (18 Nov 1997) ...

succinate dehydrogenase
<enzyme> Registry number: EC 1.3.99.1 ... (12 Dec 1998) ...

succinate oxidase
<enzyme> Not the same as succinate dehydrogenase; involved in electron transport with succinate as substrate ... Registry number: EC 1.- ... Synonym: succinoxidase ... (26 Jun 1999) ...

succinate semialdehyde
-OOC-CH2-CH2-CHO;an intermediate in the catabolism of gamma-aminobutyrate. ... Succinate semialdehyde dehydrogenase, an enzyme that catalyses the reaction of succinate semialdehyde and either NAD+ or NADP+ to form succinate and NADH (or NADPH); a deficienc

succinate semialdehyde reductase
<enzyme> Nadp dependent ... Registry number: EC 1.1.1.- ... Synonym: sucinate semialdehyde reductase (nadp) ... (26 Jun 1999) ...

succinate-CoA ligases
<enzyme> Enzymes that catalyze the first step leading to the oxidation of succinic acid by the reversible formation of succinyl-CoA from succinate and CoA with the concomitant cleavage of ATP to ADP (ec 6.2.1.5) or GTP to GDP (ec 6.2.1.4) and orthophosphate. Itaconate can act instead of succinate and itp instead of GTP.ec 6.2.1.-. ... Chemical …

succinates
The salts and esters of succinic acid and its derivatives. ... (12 Dec 1998) ...

succinic
<chemistry> Pertaining to, or derived from, amber; specif, designating a dibasic acid, CH.(COH), first obtained by the dry distillation of amber. It is found in a number of plants, as in lettuce and wormwood, and is also produced artificially as a white crystalline substance having a slightly acid taste. ... Origin: Cf. F. Succinique. See Succ …

succinic acid
<chemical> A water-soluble, colourless crystal with an acid taste that is used as a chemical intermediate, in medicine, the manufacture of lacquers, and to make perfume esters. It is also used in foods as a sequestrant, buffer, and a neutralizing agent. ... Pharmacological action: anti-ulcer agents, radiation-protective agents. ... (12 Dec 1998 …

succinic acid cycle
A series of oxidation reduction reactions in which succinic acid and other 4-carbon atoms acids (fumaric, malic, oxaloacetic) take part in the oxidation of pyruvic acid as part of the tricarboxylic acid cycle. ... See: dicarboxylic acid cycle. ... (05 Mar 2000) ...

succinic acids
A class of dicarboxylic acids with the general structure of butanedioic acid (succinic acid). They are used in perfumery and as a chemical intermediate in medicine. ... (12 Dec 1998) ...

succinic anhydrides
A subclass of anhydrides with the general structure of dihydrofurandione. They can be substituted on any carbon atom. They modify and inhibit proteins and enzymes and are used in the acylation of amino- and hydroxyl groups. ... (12 Dec 1998) ...

succinic thiokinase
Synonym for succinyl-CoA synthetase ... A ligase reversibly reacting succinate and CoA with ATP to produce ADP, inorganic phosphate, and succinyl-CoA, a similar synthetase, but one able to use itaconate as well as succinate and GTP (or ITP) in place of ATP; a part of the tricarboxylic acid cycle. ... Synonym: succinic thiokinase, succinyl-CoA ligase. …

succinimides
A subclass of imides with the general structure of pyrrolidinedione. They are prepared by the distillation of ammonium succinate. They are sweet-tasting compounds that are used as chemical intermediates and plant growth stimulants. ... (12 Dec 1998) ...

succinyl-CoA
Synonym for succinyl-coenzyme A ... The condensation product of succinic acid and CoA; one of the intermediates of the tricarboxylic acid cycle and a precursor in the synthesis of haem. ... Synonym: active succinate, succinyl-CoA. ... (05 Mar 2000) ...

succinyl-CoA hydrolase
<enzyme> Enzyme from trichosporon cutaneum; acts on succinyl-CoA and methylsuccinyl-CoA to give free acids ... Registry number: EC 3.1.2.3 ... Synonym: methylsuccinyl-CoA hydrolase, succinyl-coenzyme a hydrolase ... (26 Jun 1999) ...

succinyl-CoA ligase
Synonym for succinyl-CoA synthetase ... A ligase reversibly reacting succinate and CoA with ATP to produce ADP, inorganic phosphate, and succinyl-CoA, a similar synthetase, but one able to use itaconate as well as succinate and GTP (or ITP) in place of ATP; a part of the tricarboxylic acid cycle. ... Synonym: succinic thiokinase, succinyl-CoA ligase. …

succinyl-CoA synthetase
A ligase reversibly reacting succinate and CoA with ATP to produce ADP, inorganic phosphate, and succinyl-CoA, a similar synthetase, but one able to use itaconate as well as succinate and GTP (or ITP) in place of ATP; a part of the tricarboxylic acid cycle. ... Synonym: succinic thiokinase, succinyl-CoA ligase. ... (05 Mar 2000) ...

succinyl-coenzyme A
The condensation product of succinic acid and CoA; one of the intermediates of the tricarboxylic acid cycle and a precursor in the synthesis of haem. ... Synonym: active succinate, succinyl-CoA. ... (05 Mar 2000) ...

succinylacetone
A minor metabolite that is elevated in individuals with tyrosinaemia IA. ... (05 Mar 2000) ...

succinylcholine
<drug> Cholinergic antagonist and therefore a skeletal muscle relaxant. ... (18 Nov 1997) ...

succinyldicholine
Succinylcholine chloride. ... (05 Mar 2000) ...

succinylsulfathiazole
4'-(2-Thiazolylsulfamoyl)succinanilic acid;the most effective of the poorly absorbed bacteriostatic sulfonamides used for sterilization of the intestinal tract. ... (05 Mar 2000) ...

succisulfone iminodiethanol
4'-Sulfanilylsuccinanilic acid 2,2'-iminodiethanol salt;an antimicrobial agent. ... (05 Mar 2000) ...

succorrhoea
An abnormal increase in the secretion of a digestive fluid. ... Origin: L. Succus, juice, + G. Rhoia, a flow ... (05 Mar 2000) ...

succulent
Juicy, full of juice or sap. ... (09 Oct 1997) ...

succuss
To make succussion. ... (05 Mar 2000) ...

succussion sound
The noise made by fluid with overlying air when shaken, such as occurs with gastric dilatation or with fluid and air in a pleural cavity (hydropneumothorax). ... (05 Mar 2000) ...

suck
1. To draw, as a liquid, by the action of the mouth and tongue, which tends to produce a vacuum, and causes the liquid to rush in by atmospheric pressure; to draw, or apply force to, by exhausting the air. ... 2. To draw liquid from by the action of the mouth; as, to suck an orange; specifically, to draw milk from (the mother, the breast, etc) with …

sucker
1. One who, or that which, sucks; especially, one of the organs by which certain animals, as the octopus and remora, adhere to other bodies. ... 2. A suckling; a sucking animal. ... 3. The embolus, or bucket, of a pump; also, the valve of a pump basket. ... 4. A pipe through which anything is drawn. ... 5. A small piece of leather, usually round, havin …

sucking
Drawing milk from the mother or dam; hence, colloquially, young, inexperienced, as, a sucking infant; a sucking calf. 'I suppose you are a young barrister, sucking lawyer, or that sort of thing.' (Thackeray) Sucking bottle, a feeding bottle. See Bottle. Sucking fish, the muscular first stomach of certain insects and other invertebrates which suck l …

sucking behaviour
Any suction exerted by the mouth; response of the mammalian infant to draw milk from the breast. Includes sucking on inanimate objects. Not to be used for thumb sucking, which is indexed under fingersucking. ... (12 Dec 1998) ...

sucking cushion
Synonym for buccal fat-pad ... An encapsuled mass of fat in the cheek on the outer side of the buccinator muscle, especially marked in the infant; supposed to strengthen and support the cheek during the act of sucking. ... Synonym: corpus adiposum buccae, Bichat's fat-pad, Bichat's protuberance, fat body of cheek, sucking cushion, sucking pad, suctor …

sucking pad
Synonym for buccal fat-pad ... An encapsuled mass of fat in the cheek on the outer side of the buccinator muscle, especially marked in the infant; supposed to strengthen and support the cheek during the act of sucking. ... Synonym: corpus adiposum buccae, Bichat's fat-pad, Bichat's protuberance, fat body of cheek, sucking cushion, sucking pad, suctor …

sucking wound
Synonym for open pneumothorax ... A free communication between the atmosphere and the pleural space either via the lung or through the chest wall. ... Synonym: sucking wound. ... (05 Mar 2000) ...

suckle
1. To nurse; to feed by milk from the breast. ... 2. To suck; to draw sustenance from the breast. ... (05 Mar 2000) ...

suckling reflex
The reflex liberation of prolactin from the anterior lobe of the hypophysis evoked by stimulation of nerves in the nipple during the act of suckling by the newborn animal. ... (05 Mar 2000) ...

Sucquet
J.P., French anatomist, 1840-1870. ... See: Sucquet's anastomoses, Sucquet's canals, Sucquet-Hoyer anastomoses, Sucquet-Hoyer canals. ... (05 Mar 2000) ...

Sucquet-Hoyer anastomoses
Synonym for Sucquet-Hoyer canals ... Arteriovenous anastomoses controlling blood flow in the glomus bodies in the digits. ... Synonym: Hoyer's anastomoses, Hoyer's canals, Sucquet's anastomoses, Sucquet's canals, Sucquet-Hoyer anastomoses. ... (05 Mar 2000) ...

Sucquet-Hoyer canals
Arteriovenous anastomoses controlling blood flow in the glomus bodies in the digits. ... Synonym: Hoyer's anastomoses, Hoyer's canals, Sucquet's anastomoses, Sucquet's canals, Sucquet-Hoyer anastomoses. ... (05 Mar 2000) ...

Sucquet's anastomoses
Synonym for Sucquet-Hoyer canals ... Arteriovenous anastomoses controlling blood flow in the glomus bodies in the digits. ... Synonym: Hoyer's anastomoses, Hoyer's canals, Sucquet's anastomoses, Sucquet's canals, Sucquet-Hoyer anastomoses. ... (05 Mar 2000) ...

Sucquet's canals
Synonym for Sucquet-Hoyer canals ... Arteriovenous anastomoses controlling blood flow in the glomus bodies in the digits. ... Synonym: Hoyer's anastomoses, Hoyer's canals, Sucquet's anastomoses, Sucquet's canals, Sucquet-Hoyer anastomoses. ... (05 Mar 2000) ...

sucralfate
<chemical> Hexadeca-omega-hydroxytetracosahydroxy-(mu(8)-(1,3,4,6-tetra-o-sulfo-beta-d-fructofuranosyl-alpha-d-glucopyranoside tetrakis(hydrogen sulfato)(8-)))hexadecaaluminum. A basic aluminum complex of sulfated sucrose. It is advocated in the therapy of peptic, duodenal, and prepyloric ulcers, gastritis, reflux oesophagitis, and other gast …

sucrase
Synonym for invertase ... 1. <enzyme> Enzyme catalysing the hydrolysis of sucrose to glucose and fructose (sucrase), so called because the sugar solution changes from dextro rotatory to laevo rotatory during the course of the reaction. ... 2. Generally a name for an enzyme that catalyses certain molecular rearrangements. DNA invertases are a cl …

sucrase-isomaltase complex
<enzyme> An enzyme complex found in the brush border membranes of the small intestine. It is believed to be an enzyme complex with different catalytic sites. Its absence is manifested by an inherited disease called sucrase-isomaltase deficiency. ... Registry number: EC 3.2.1.- ... (12 Dec 1998) ...

sucrosaemia
T he presence of sucrose in the blood. ... Origin: sucrose + G. Haima, blood ... (05 Mar 2000) ...

sucrose
Nonreducing disaccharide, _ D glucopyranosyl _ D fructofuranose. ... (18 Nov 1997) ...

sucrose alpha-d-glucohydrolase
<enzyme> An enzyme hydrolyzing sucrose and maltose; in a complex with isomaltase; hence, hydrolyzes both sucrose and isomaltose; found in the intestinal mucosa; a deficiency of this enzyme results in defective digestion of sucrose and linear a1,4-glucans. ... Synonym: sucrase. ... (05 Mar 2000) ...

sucrose haemolysis test
Isotonic sucrose promotes binding of complement to red blood cells; in paroxysmal nocturnal haemoglobinuria a proportion of the cells is sensitive to complement-mediated lysis, and haemolysis ensues. ... (05 Mar 2000) ...

sucrose permease
<chemical> Sucrose-utilizing enzyme ... Chemical name: permease, sucrose ... (26 Jun 1999) ...

sucrose synthase
<enzyme> Sus1 gene product isolated from maise ... Registry number: EC 2.4.1.13 ... Synonym: sucrose synthetase, udp-glucose-d-fructose-2-glycosyltransferase, suc synthase 1, suc synthase1, sus1 gene product ... (26 Jun 1999) ...

sucrosuria
The excretion of sucrose in the urine. ... Origin: sucrose + G. Ouron, urine ... (05 Mar 2000) ...

suction
The act or process of sucking; the act of drawing, as fluids, by exhausting the air. Suction chamber, the chamber of a pump into which the suction pipe delivers. Suction pipe, Suction valve, the induction pipe, and induction valve, of a pump, respectively. Suction pump, the common pump, in which the water is raised into the barrel by atmospheric pr …

suction cup
One of the cupping glasses of various shapes, formerly used to produce local hyperaemia according to Bier's method. ... Wet cup, a cupping glass formerly applied to a part previously scarified or incised to draw and remove blood. ... (05 Mar 2000) ...

suction drainage
Closed drainage of a cavity, with a suction apparatus attached to the drainage tube. ... (05 Mar 2000) ...

suction ophthalmodynamometer
An ophthalmodynamometer with a suction disk which increases ocular pressure during ophthalmoscopic observation of the retinal artery. ... (05 Mar 2000) ...

suction plate
In dentistry, a plate held in place by atmospheric pressure. ... (05 Mar 2000) ...

sudamen
A minute vesicle due to retention of fluid in a sweat follicle, or in the epidermis. ... Origin: Mod. L., fr. L. Sudo, to sweat ... (05 Mar 2000) ...

sudaminal
Relating to sudamina. ... (05 Mar 2000) ...

sudan
A republic in eastern africa, south of egypt and west of ethiopia. Its capital is khartoum. It was under egypt 1820-82, then jointly administered by egypt and great britain after 1899 as the anglo-egyptian sudan. It gained independence in 1956. The name is of arabic origin, balad as-sudan: bal (land) + al (as) (the) + sudan (black), the land of the …

Sudan black B
A diazo dye, C29H24N6, used as a stain for fats. ... (05 Mar 2000) ...

Sudan brown
A brown stain, (C10H7)N==N(C10H6)OH, derived from alpha-naphthylamine and used as a stain for fats. ... (05 Mar 2000) ...

Sudan III
A red stain, (C6H5)N==N(C6H4)N==N(C10H6)OH, used for neutral fat in histologic technique; it also stains the fatty envelope of the tubercle bacillus. ... Synonym: Sudan red III. ... (05 Mar 2000) ...

Sudan IV
Synonym for scarlet red ... O-Tolylazo-o-tolylazo-beta-naphthol. An azo dye; a dark, brownish red powder, soluble in oils, fats, and chloroform, but insoluble in water; used in medicine as a vulnerary, in histology to stain fat in tissue sections and basic proteins at high pH, and in immunoelectrophoresis. ... Synonym: Biebrich scarlet red, medicinal …

Sudan red III
Synonym for Sudan III ... A red stain, (C6H5)N==N(C6H4)N==N(C10H6)OH, used for neutral fat in histologic technique; it also stains the fatty envelope of the tubercle bacillus. ... Synonym: Sudan red III. ... (05 Mar 2000) ...

Sudan stain
<chemical, investigation> Histochemical stains used for lipids. ... (18 Nov 1997) ...

Sudan yellow
Metadioxyazobenzene;a yellow stain for fats. ... (05 Mar 2000) ...

sudanophilia
1. Affinity for an oil-soluble or Sudan dye. ... 2. A condition in which leukocytes contain minute fat droplets that take a brilliant red stain when treated with 0.2% Sudan III and 0.1% cresyl blue in absolute alcohol. ... (05 Mar 2000) ...

sudanophilic
Staining easily with Sudan dyes, usually referring to lipids in tissues. ... (05 Mar 2000) ...