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

iothalamic acid
<chemical> 3-(acetylamino)-2,4,6-triiodo-5-((methylamino)carbonyl)benzoic acid. A contrast medium in diagnostic radiology with properties similar to those of diatrizoic acid. It is used primarily as its sodium and meglumine (iothalamate meglumine) salts. ... Pharmacological action: contrast media. ... Chemical name: Benzoic acid, 3-(acetylamino …

iothiouracil sodium
The sodium salt of 5-iodo-2-thiouracil; an organic iodine derivative of thiouracil with the thyroid-involuting action of iodine and the capability of inhibiting thyroxine production. ... (05 Mar 2000) ...

iotrol
Synonym for iotrolan ... 5,5'-[Malonylbis(methylimino)]bis[N, N'-bis[2,3-dihydroxy-1-(hydroxymethyl)propyl]-2,4,6-triiodoisophthalamide];a dimeric, nonionic, water-soluble, low osmolar radiographic contrast medium, used for myelography and other nonvascular applications. ... Synonym: iotrol. ... (05 Mar 2000) ...

iotrolan
5,5'-[Malonylbis(methylimino)]bis[N, N'-bis[2,3-dihydroxy-1-(hydroxymethyl)propyl]-2,4,6-triiodoisophthalamide];a dimeric, nonionic, water-soluble, low osmolar radiographic contrast medium, used for myelography and other nonvascular applications. ... Synonym: iotrol. ... (05 Mar 2000) ...

ioversol
N,N'-Bis(2,3-dihydroxypropyl)-5-[N-[2-hydroxyethyl)glycolamido]-2,4,6-triiodoisophthalamide;a water-soluble, nonionic, low osmolar, radiographic contrast medium. ... (05 Mar 2000) ...

ioxaglate
A diagnostic radiopaque medium, usually a combination of ioxaglate meglumine (C24H21I6N5O8-C7 H17NO5), and ioxaglate sodium (C24H20I6N5NaO8); used in angiography, aortography, arteriography, venography, and urography. ... (05 Mar 2000) ...

ioxaglic acid
<chemical> 3-((((3-(acetylmethylamino)-2,4,6-triiodo-5-((methylamino)carbonyl)benzoyl)amino)acetyl)amino)-5-(((2-hydroxyethyl)amino)carbonyl)-2,4,6-triiodobenzoic acid. An effective, low-osmolar, ionic contrast medium used in various radiographic procedures. Its low systemic toxicity is the combined result of low chemotoxicity and low osmolal …

ioxilan
A monomeric, nonionic, water-soluble, low osmolar radiographic contrast medium for urography or angiography. ... (05 Mar 2000) ...

ioxithalamate
5-Acetamido-2,4,6-triiodo-N-(2-hydroxyethyl)isophthalamic acid;an ionic, monomeric, water-soluble radiographic contrast medium for urography and angiography. ... (05 Mar 2000) ...

ip
<abbreviation> Intraperitoneal or intraperitoneally; isoelectric point. ... (05 Mar 2000) ...

IP3
<abbreviation> Inositol 1,4,5-trisphosphate. ... (05 Mar 2000) ...

ipecac
A syrup that is used to induce vomiting, most often after ingestion of a potentially harmful substance. For use in acute poisonings (where indicated), adults should receive 15-30cc of ipecac, immediately followed by a glass of water (240cc). This dose may be repeated one time in 20 minutes if vomiting has not occurred. For children 1-12 years, give …

ipecac (syrup)
<chemical> A syrup made from the dried rhizomes of two different species, c. Ipecacuanha and c. Acuminata of cephaelis (or uragoga) of the rubiaciae; they contain emetine, cephaeline, psychotrine and other isoquinolines. Ipecac syrup is used widely as an emetic acting both locally on the gastric mucosa and centrally on the chemoreceptor trigg …

ipecac syrup
A sweetened liquid medicinal preparation containing powdered ipecac extract, which contains the alkaloids emetine and cephaline; used as an emetic in certain cases of poisoning and (at lower doses) as an expectorant. ... (05 Mar 2000) ...

ipecacuanha
<medicine> The root of a Brazilian rubiaceous herb (Cephaelis Ipecacuanha), largely employed as an emetic; also, the plant itself; also, a medicinal extract of the root. Many other plants are used as a substitutes; among them are the black or Peruvian ipecac (Psychotria emetica), the white ipecac (Ionidium Ipecacuanha), the bastard or wild ip …

IPF
<abbreviation> Idiopathic pulmonary fibrosis or interstitial pulmonary fibrosis. ... (05 Mar 2000) ...

ipodate
<chemical> Ionic monomeric contrast media, usually as the sodium or calcium salts, used primarily for examination of the gall bladder and biliary tract. ... Pharmacological action: contrast media. ... Chemical name: Benzenepropanoic acid, 3-(((dimethylamino)methylene)amino)-2,4,6-triiodo- ... (12 Dec 1998) ...

ipodate sodium
Sodium 3-[(dimethylaminomethylene)amino]-2,4,6-triiodohydrocinnamate;a radiopaque medium. ... (05 Mar 2000) ...

ipomea
The dried root of Ipomoea orizabensis (family Convolvulaceae). ... See: ipomea resin. ... Synonym: orizaba jalap root. ... Origin: G. Ips (ip-), a worm, + homoios, like ... (05 Mar 2000) ...

ipomea resin
Resin obtained from the dried root of Ipomoea orizabensis; a cathartic. ... See: scammony. ... (05 Mar 2000) ...

Ipomoea rubrocoerulea
The seeds contain lysergic acid amide, isolysergic acid amide, chanoclavine, elymoclavine, and other ergot (indole) alkaloids; ingestion of the seeds produces hallucinatory and euphoric effects. ... Synonym: morning glory. ... (05 Mar 2000) ...

Ipomoea versicolor
A species whose seeds contain hallucinogenic ergot (indole) alkaloids. ... (05 Mar 2000) ...

IPPB
<abbreviation> Intermittent positive pressure breathing. ... (05 Mar 2000) ...

IPPV
<abbreviation> Intermittent positive pressure ventilation. ... (05 Mar 2000) ...

ipratropium
<chemical> A muscarinic antagonist structurally related to atropine but often considered safer and more effective for inhalation use. It is used for various bronchial disorders, in rhinitis, and as an antiarrhythmic. ... Pharmacological action: anti-arrhythmia agents, bronchodilator agents, muscarinic antagonists, parasympatholytics. ... Chemic …

iprindole
<chemical> A tricyclic antidepressant that has actions and uses similar to those of amitriptyline, but has only weak antimuscarinic and sedative effects. ... Pharmacological action: antidepressive agents, tricyclic, adrenergic uptake inhibitors. ... Chemical name: 5H-Cyclooct(b)indole-5-propanamine, 6,7,8,9,10,11-hexahydro-N,N-dimethyl- ... (12 …

iproniazid
<chemical> An irreversible inhibitor of monoamine oxidase types a and b that is used as an antidepressive agent. It has also been used as an antitubercular agent, but its use is limited by its toxicity. ... Pharmacological action: antidepressive agents, monoamine oxidase inhibitors, antitubercular agents. ... Chemical name: 4-Pyridinecarboxylic …

ipronidazole
<chemical> 2-isopropyl-1-methyl-5-nitroimidazole. An antihistomonal agent with low toxicity. It also promotes growth and feed utilization in poultry. ... Pharmacological action: antiprotozoal agents. ... Chemical name: 1H-Imidazole, 1-methyl-2-(1-methylethyl)-5-nitro- ... (12 Dec 1998) ...

iproveratril
Synonym for verapamil ... <drug> A calcium channel blocking drug, used as a coronary vasodilator and antiarrhythmic. ... Pharmacologic action: Calcium channel blockade, direct, potent negative chronotrope and inotrope, slows conduction in AV node, systemic and coronary vasodilation. ... Uses: Supraventricular tachycardias. ... Dose: 2.5 - 5.0 mg …

iPrSGal
<abbreviation> Isopropylthiogalactoside. ... (05 Mar 2000) ...

Ips
<abbreviation> Pipsyl. ... (05 Mar 2000) ...

ipsefact
All parts or aspects of the environment that an individual, colony, population, or species of animal has modified chemically or physically by its own behaviour (e.g., a nest or home, rodent or deer runs, excrement, pheromones). ... Origin: L. Ipse, self, + factum, a thing done ... (05 Mar 2000) ...

ipsilateral
Refers to the remaining breast when a unilateral mastectomy has removed one breast. ... (16 Dec 1997) ...

ipsilateral reflex
A reflex in which the response occurs on the side of the body that is stimulated. ... (05 Mar 2000) ...

IPSP
<abbreviation> Inhibitory postsynaptic potential. ... (05 Mar 2000) ...

IPTG
<abbreviation> Isopropylthiogalactoside. ... (05 Mar 2000) ...

IPV
An inactivated vaccination, administered by injection to children for protection against the polio virus. Typically given at 2, 4 and 15 months. A final vaccine is recommended at 4-6 years. ... (27 Sep 1997) ...

IQ
<abbreviation> The intelligence quotient. A numerical scale that attempts to measure the intelligence of an individual, usually based on the results of a written test. ... (12 Jan 1998) ...

Ir
<abbreviation> Infrared. ... Symbol for iridium. ... (05 Mar 2000) ...

Ir associated antigen
Antigens coded for by IR (immune response) genes or antigens coded for by the genome close to the IR genes. ... See: Ia antigens. ... (18 Nov 1997) ...

Ir gene
Immune response genes, located within the MHC of vertebrates. Originally recognised as controlling the level of immune response to various synthetic polypeptides, they are now also recognised as mapping within the regions controlling T-cell help and suppression (I region). ... (18 Nov 1997) ...

IRI
<abbreviation> Immunoreactive insulin. ... (05 Mar 2000) ...

IRI-G ratio
The ratio of immunoreactive insulin to serum or plasma glucose; in hypoglycaemic states a ratio of less than 0.3 is usual with the exception of the hypoglycaemia due to insulinoma, where the ratio is often higher than 0.3. ... (05 Mar 2000) ...

irid-
See: irido-. ... (05 Mar 2000) ...

iridal
Relating to the iris. ... Synonym: iridial, iridian, iridic. ... (05 Mar 2000) ...

iridencleisis
The incarceration of a portion of the iris by corneoscleral incision in glaucoma to effect filtration between the anterior chamber and subconjunctival space. ... Origin: irido-+ G. Enkleio, to shut in ... (05 Mar 2000) ...

irideraemia
Condition wherein the iris is so rudimentary as to appear to be absent. ... Compare: aniridia. ... Origin: irido-+ G. Eraemia, absence ... (05 Mar 2000) ...

irides
Plural of iris. ... Origin: G. ... (05 Mar 2000) ...

iridescent
Presenting multiple bright refractile colours, typically as a result of optical interference when incident white light is broken into its spectral components when reflected back through several thin-layered films. ... Origin: G. Iris, rainbow ... (05 Mar 2000) ...

iridescent virus
An insect virus in the family Iridoviridae. ... (05 Mar 2000) ...

iridesis
Ligature of a portion of the iris brought out through an incision in the cornea. ... Origin: irido-+ G. Desis, a binding together ... (05 Mar 2000) ...

iridial
Synonym for iridal ... Relating to the iris. ... Synonym: iridial, iridian, iridic. ... (05 Mar 2000) ...

iridial part of retina
Synonym for pars iridica retinae ... iridial part of retina ...

iridin
1. Irigenin 7-glucoside from orris root, Iris florentina. ... 2. A resinoid from blue flag, Iris versicolor; used as a cholagogue and cathartic. ... Synonym: irisin. ... (05 Mar 2000) ...

iridium
<chemistry, element> A rare metallic element, of the same group as platinum, which it much resembles, being silver-white, but harder, and brittle, and indifferent to most corrosive agents. With the exception of osmium, it is the heaviest substance known, its specific gravity being 22.4. ... Iridium usually occurs as a native alloy with osmium …

iridium radioisotopes
Unstable isotopes of iridium that decay or disintegrate emitting radiation. Ir atoms with atomic weights 182-190, 192, and 194-198 are radioactive iridium isotopes. ... (12 Dec 1998) ...

irido-
Irid- ... The iris. ... Origin: G. Iris (irid-), rainbow ... (05 Mar 2000) ...

iridoavulsion
Avulsion, or tearing away, of the iris. ... (05 Mar 2000) ...

iridocele
Herniation of a portion of the iris through a corneal defect. ... Origin: irido-+ G. Kele, hernia ... (05 Mar 2000) ...

iridochoroiditis
Inflammation of both iris and choroid. ... (05 Mar 2000) ...

iridocoloboma
A coloboma or congenital defect of the iris. ... Origin: irido-+ G. Koloboma, coloboma ... (05 Mar 2000) ...

iridocorneal
Relating to the iris and the cornea. ... (05 Mar 2000) ...

iridocorneal angle
The acute angle between the iris and the cornea at the periphery of the anterior chamber of the eye. ... Synonym: angulus iridocornealis, angle of iris, angulus iridis, filtration angle. ... (05 Mar 2000) ...

iridocorneal endothelial syndrome
<syndrome> Syndrome of glaucoma, iris atrophy, decreased corneal endothelium, anterior peripheral synechia, and multiple iris nodules. ... Synonym: Cogan-Reese syndrome, iris-nevus syndrome. ... (05 Mar 2000) ...

iridocorneal mesodermal dysgenesis
Mesodermal dysgenesis of cornea and iris, producing pupillary anomalies, posterior embryotoxon, and secondary glaucoma. ... Synonym: Rieger's anomaly. ... (05 Mar 2000) ...

iridocorneal syndrome
Synonym for Chandler syndrome ... <syndrome> Iris atrophy with corneal oedema. ... Synonym: iridocorneal syndrome. ... (05 Mar 2000) ...

iridocyclectomy
<procedure> Removal of the iris and ciliary body for excision of a tumour. ... Origin: irido-+ G. Kyklos, circle (ciliary body), + ektome, excision ... (05 Mar 2000) ...

iridocyclitis
<ophthalmology> Inflammation of the iris and of the ciliary body, anterior uveitis. ... (18 Nov 1997) ...

iridocyclitis septica
Synonym for Behcet's syndrome ... <syndrome> A multisystem, chronic recurrent disease characterised by ulceration in the mouth and genitalia, iritis, uveitis, arthritis and thrombophlebitis. Often treated with immunosuppressive therapy (corticosteroids, chlorambucil). ... (27 Sep 1997) ...

iridocyclochoroiditis
Inflammation of the iris, involving the ciliary body and the choroid. ... (05 Mar 2000) ...

iridocystectomy
<procedure> An operation for making an artificial pupil when posterior synechiae follow extracapsular extraction of cataract; the border of the iris and a portion of the capsule of the lens are drawn out through an incision in the cornea and cut off. ... Origin: irido-+ G. Kystis, bladder (capsule), + ektome, excision ... (05 Mar 2000) ...

iridodiagnosis
Diagnosis of systemic diseases by observation of changes in form and colour of the iris. ... (05 Mar 2000) ...

iridodialysis
A colobomatous defect of the iris caused by its separation from the scleral spur. ... Origin: irido-+ G. Dialysis, loosening ... (05 Mar 2000) ...

iridodilator
Causing dilation of the pupil; applied to the musculus dilator pupillae. ... (05 Mar 2000) ...

iridodonesis
Agitated motion of the iris. ... Synonym: tremulous iris. ... Origin: irido-+ G. Doneo, to shake to and fro ... (05 Mar 2000) ...

iridokinetic
Relating to the movements of the iris. ... Synonym: iridomotor. ... (05 Mar 2000) ...

iridology
<study> A mystical art of the diagnosis of body ailments through the examination of the iris (shutter) of the human eye. According to some doctors, some scientific credibility seems to be emerging. ... (16 Dec 1997) ...

iridomalacia
Degenerative softening of the iris. ... Origin: irido-+ G. Malakia, softness ... (05 Mar 2000) ...

iridomesodialysis
Separation of adhesions around the inner margin of the iris. ... Origin: irido-+ G. Mesos, middle, + dialysis, loosening ... (05 Mar 2000) ...

iridomotor
iridokinetic, pupillomotor ...

iridoparalysis
Synonym for iridoplegia ... Paralysis of the musculus sphincter iridis. ... Synonym: iridoparalysis. ... Origin: irido-+ G. Plege, stroke ... (05 Mar 2000) ...

iridopathy
Pathologic lesions in the iris. ... (05 Mar 2000) ...

iridoplegia
Paralysis of the musculus sphincter iridis. ... Synonym: iridoparalysis. ... Origin: irido-+ G. Plege, stroke ... (05 Mar 2000) ...

iridoptosis
Prolapse of the iris. ... Origin: irido-+ G. Ptosis, a falling ... (05 Mar 2000) ...

iridopupillary lamina
Embryonic precursor of the anterior stroma of the iris which forms the inner (posterior or deep) wall of the primary anterior chamber of the eye. Its central portion becomes attenuated as the pupillary membrane (membrane pupillaris ). ... (05 Mar 2000) ...

iridorrhexis
Deliberate, surgical tearing of the iris from the scleral spur in order to increase the breadth of a coloboma. ... Origin: irido-+ G. Rhexis, rupture ... (05 Mar 2000) ...

iridoschisis
Separation of the anterior layer of the iris from the posterior layer; ruptured anterior fibres float in the aqueous humor. ... Origin: irido-+ G. Schisma, cleft ... (05 Mar 2000) ...

iridosclerotomy
<procedure> An incision involving both sclera and iris. ... Origin: irido-+ sclera, + G. Tome, incision ... (05 Mar 2000) ...

iridotomy
<procedure, surgery> The use of laser light to punch a hole in the iris to relieve intraocular pressure within the eye (for example glaucoma). This surgery is painless and requires no anaesthesia. ... (27 Sep 1997) ...

iridoviridae
A family of large icosahedral DNA viruses infecting insects and poikilothermic vertebrates. Genera include iridovirus, ranavirus, chloriridovirus, lymphocystivirus, and goldfish virus 1-like viruses. ... (12 Dec 1998) ...

iridovirus
A genus of iridoviridae comprising small iridescent insect viruses. The infected larvae and purified virus pellets exhibit a blue to purple iridescence. ... (12 Dec 1998) ...

iridoviruses
<organism, virology> A group of nonoccluded viruses of insects, the crystalline array of virus particles in the cytoplasm of epidermal cells gives infected insects an irridescent appearance. ... (18 Nov 1997) ...

irigenin
A trihydroxy trimethoxy isoflavone component of iridin. ... (05 Mar 2000) ...

iris
Origin: L. Iris, iridis, the goddess, Gr, the rainbow, iris of the eye, the plant Iris. Cf. Orris. ... 1. The goddess of the rainbow, and swift-footed messenger of the gods. ... 2. The rainbow. ... 3. An appearance resembling the rainbow; a prismatic play of colours. ... 4. <anatomy> The contractile membrane perforated by the pupil, and forming t …

iris bicolor
A variegated or two-coloured iris. ... Synonym: monocular heterochromia. ... (05 Mar 2000) ...

iris bombe
A condition occurring in posterior annular synechia, in which an increase of fluid in the posterior chamber causes a forward bulging of the peripheral iris. ... (05 Mar 2000) ...

iris dehiscence
A defect of the eye characterised by multiple holes in the iris. ... (05 Mar 2000) ...

iris diaphragm
<microscopy> A diaphragm with thin metal leaves so arranged that the rotation of an actuating lever varies the diameter. ... (05 Aug 1998) ...

iris freckles
Small, pigmented clusters of uveal melanocytes on the surface of the iris. ... (05 Mar 2000) ...

iris frill
Synonym for collarette ... The sinuous, scalloped line in the iris that divides the central pupillary zone from the peripheral ciliary zone and marks the embryonic site of the atrophied minor vascular circle of the iris. ... Synonym: iris frill. ... (05 Mar 2000) ...