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

urn
To inclose in, or as in, an urn; to inurn. ' When horror universal shall descend, And heaven's dark concave urn all human race.' (Young) ... 1. A vessel of various forms, usually a vase furnished with a foot or pedestal, employed for different purposes, as for holding liquids, for ornamental uses, for preserving the ashes of the dead after cremation …

uro-
Urine. ... See: ure-, urin-. ... Origin: G. Ouron ... (05 Mar 2000) ...

uroammoniac
Relating to uric acid and ammonia; denoting a variety of urinary calculus. ... (05 Mar 2000) ...

uroanthelone
Synonym for urogastrone ... <endocrinology> A peptide isolated from human urine that inhibits gastric acid secretion. Now known to be identical to epithelial growth factor. ... (18 Nov 1997) ...

urobilin IX-a
Synonym for mesobilene ... Mesobilene- ... A bilirubinoid. ... See: urobilin. ... Synonym: urobilin IX-a. ... (05 Mar 2000) ...

urobilinaemia
The presence of urobilins in the blood. ... (05 Mar 2000) ...

urobilinogen
<chemical> A colourless compound formed in the intestines by the reduction of bilirubin. Some is excreted in the feces where it is oxidised to urobilin. Some is reabsorbed and re-excreted in the bile as bilirubin. at times, it is re-excreted in the urine, where it may be later oxidised to urobilin. ... Chemical name: 21H-Biline-8,12-dipropanoi …

urobilinogen IXa
Synonym for mesobilane ... A reduced mesobilirubin with no double bonds between the pyrrole rings and, consequently, colourless. ... See: bilirubinoids. ... Synonym: mesobilirubinogen, urobilinogen IXa. ... (05 Mar 2000) ...

urobilinuria
The presence in the urine of urobilins in excessive amount, formed mainly from haemoglobin. ... (05 Mar 2000) ...

urocanase
Synonym for urocanate hydratase ... <enzyme> An enzyme that catalyses the conversion of 4,5-dihydro-4-oxo-5-imidazolepropanoate to urocanate and water. ... Chemical name: 4,5-Dihydro-4-oxo-5-imidazolepropanoate hydro-lyase ... Registry number: EC 4.2.1.49 ... (12 Dec 1998) ...

urocanate
A salt or ester of urocanic acid. ... Urocanate hydratase, an enzyme catalyzing the reaction of water with urocanic acid to produce 4-imidazolone-5-propionic acid, a step in l-histidine catabolism; this enzyme is absent in cases of urocanic aciduria. ... Synonym: urocanase. ... (05 Mar 2000) ...

urocanate hydratase
<enzyme> An enzyme that catalyses the conversion of 4,5-dihydro-4-oxo-5-imidazolepropanoate to urocanate and water. ... Chemical name: 4,5-Dihydro-4-oxo-5-imidazolepropanoate hydro-lyase ... Registry number: EC 4.2.1.49 ... (12 Dec 1998) ...

urocanic acid
<chemical> 4-imidazoleacrylic acid. ... Chemical name: 2-Propenoic acid, 3-(1H-imidazol-4-yl)- ... (12 Dec 1998) ...

urocanic aciduria
Elevated levels of urocanic acid in the urine. ... (05 Mar 2000) ...

urocanicase
One of a group of at least three enzymes that convert urocanic acid to glutamic acid. ... (05 Mar 2000) ...

urocheras
Synonym: gravel. ... Synonym: uropsammus. ... Origin: uro-+ G. Cheras, gravel (an incorrect form of cherados, gravel) ... (05 Mar 2000) ...

urochesia
Passage of urine from the anus. ... Origin: uro-+ G. Chezo, to defecate ... (05 Mar 2000) ...

urochordata
A subphylum of chordates intermediate between the invertebrates and the true vertebrates. ... (12 Dec 1998) ...

urochromogen
Originally, a body in the urine that, on taking up oxygen, formed urochrome; now, probably urobilinogen. ... (05 Mar 2000) ...

urocrisia
Synonym: urocrisis. ... 2. Obsolete term for diagnosis based upon the results of a urinary examination. ... Origin: uro-+ G. Krino, to separate, judge ... (05 Mar 2000) ...

urocrisis
1. Obsolete term for the critical stage of a disease accompanied by a copious discharge of urine. ... 2. Severe pain in any of the urinary organs or passages occurring in tabes dorsalis. ... Synonym: urocrisia. ... Origin: uro-+ G. Krisis, crisis ... (05 Mar 2000) ...

urocyanin
An indigo blue pigment sometimes observed in the urine in certain diseases, especially scarlet fever. ... Synonym: uroglaucin. ... Origin: uro-+ G. Kyanos, a blue substance ... (05 Mar 2000) ...

urocyanogen
A blue pigment sometimes observed in the urine in cases of cholera. ... (05 Mar 2000) ...

urocyanosis
A bluish discoloration of the urine in indicanuria. ... (05 Mar 2000) ...

urocystic
Relating to the urinary bladder. ... (05 Mar 2000) ...

urocystis
Synonym for urinary bladder ... A musculomembranous elastic bag serving as a storage place for the urine. ... Synonym: vesica urinaria, cystis urinaria, urocyst, urocystis. ... (05 Mar 2000) ...

urodynamics
The mechanical laws of fluid dynamics as they apply to urine transport. ... (12 Dec 1998) ...

urodynia
Pain on urination. ... Origin: uro-+ G. Odyne, pain ... (05 Mar 2000) ...

uroenterone
Synonym for urogastrone ... <endocrinology> A peptide isolated from human urine that inhibits gastric acid secretion. Now known to be identical to epithelial growth factor. ... (18 Nov 1997) ...

uroflavin
A fluorescent product of riboflavin catabolism, or perhaps riboflavin itself, found in mammalian urine and faeces. ... (05 Mar 2000) ...

uroflowmeter
A device that measures urine flow rates during micturition, including these parameters: peak flow rate, average flow rate, voided volume, and time of voiding. ... (05 Mar 2000) ...

uroflowmetry
A diagnostic examination which measures the rate of urine flow. This may be accomplished manually (stopwatch) or via calibrated electronic equipment. ... (27 Sep 1997) ...

urofollitropin
A preparation of gonadotropin extracted from the urine of postmenopausal women, used in conjunction with human chorionic gonadotropin to induce ovulation. ... See: menotropins. ... (05 Mar 2000) ...

urofuscohematin
A brownish red pigment found in the urine in a case of leprosy. ... (05 Mar 2000) ...

urogastrone
<endocrinology> A peptide isolated from human urine that inhibits gastric acid secretion. Now known to be identical to epithelial growth factor. ... (18 Nov 1997) ...

urogenital
<anatomy> Pertaining to the urinary and genital apparatus, genitourinary. ... (18 Nov 1997) ...

urogenital abnormalities
Congenital structural abnormalities of the urogenital system. ... (12 Dec 1998) ...

urogenital apparatus
Synonym for urogenital system ... The organs concerned in the production and excretion of urine, together with the organs of reproduction. ... (12 Dec 1998) ...

urogenital canal
Synonym for urethra ... <anatomy, urology> The tube that conveys urine from the bladder to the outside. In the female it measures 25.4 to 38.1 millimetres, in the male 25 centimetres. ... (27 Sep 1997) ...

urogenital cleft
Synonym for pudendal cleft ... The cleft between the labia majora. ... Synonym: rima pudendi, fissura pudendi, pudendal cleavage, pudendal slit, rima vulvae, urogenital cleft, vulvar slit. ... (05 Mar 2000) ...

urogenital diaphragm
A triangular sheet of muscle between the ischiopubic rami; composed of the sphincter urethrae, and the deep transverse perineal muscles. ... Synonym: diaphragma urogenitale. ... (05 Mar 2000) ...

urogenital diseases
Diseases of the urogenital tract. ... (12 Dec 1998) ...

urogenital fistula
Synonym for genitourinary fistula ... A fistulous opening into the urogenital tract. ... Synonym: urogenital fistula. ... (05 Mar 2000) ...

urogenital membrane
The ventral portion of the embryonic cloacal membrane after its division by the urorectal septum. ... (05 Mar 2000) ...

urogenital mesentery
Synonym for diaphragmatic ligament of the mesonephros ... The segment of the urogenital ridge that extends from the mesonephros to the diaphragm; becomes the suspensory ligament of the ovary. ... Synonym: urogenital mesentery. ... (05 Mar 2000) ...

urogenital neoplasms
Neoplasms of the urogenital tract. ... (12 Dec 1998) ...

urogenital region
Synonym for urogenital triangle ... The anterior portion of the perineal region containing the openings of the urethra and vagina in the female and the urethra and root structures of the penis in the male. ... Synonym: regio urogenitalis, urogenital region. ... (05 Mar 2000) ...

urogenital ridge
One of the paired longitudinal ridge's developing in the dorsal body wall of the embryo on either side of the dorsal mesentery; the ridge is formed at first by the growing mesonephros and later by the mesonephros and the gonad. ... Synonym: genital fold, wolffian ridge. ... (05 Mar 2000) ...

urogenital septum
The coronally placed ridge formed by the caudal portion of the urogenital ridges fusing in the midline of the embryo; it lies between the hindgut dorsally and the bladder ventrally. ... (05 Mar 2000) ...

urogenital sinus
The ventral part of the cloaca after its separation from the rectum by the growth of the urorectal septum; from it develops the lower part of the bladder in both sexes, the prostatic portion of the male urethra, and the urethra and vestibule in the female. ... Synonym: persistent cloaca. ... (05 Mar 2000) ...

urogenital surgical procedures
Surgery performed on the urinary tract or its organs and on the male or female genitalia. ... (12 Dec 1998) ...

urogenital system
The organs concerned in the production and excretion of urine, together with the organs of reproduction. ... (12 Dec 1998) ...

urogenital triangle
The anterior portion of the perineal region containing the openings of the urethra and vagina in the female and the urethra and root structures of the penis in the male. ... Synonym: regio urogenitalis, urogenital region. ... (05 Mar 2000) ...

urogenous
Synonym for urinogenous ... 1. Producing or excreting urine. ... 2. Of urinary origin. ... Synonym: urogenous. ... (05 Mar 2000) ...

urogonadotropin
See: human menopausal gonadotropin. ... (05 Mar 2000) ...

urograffin
A mixture of salts of diatrizoic acid used to form density gradients. ... (05 Mar 2000) ...

urogram
The radiographic record obtained by urography. ... (05 Mar 2000) ...

urography
<investigation> Roentgenography of a part of the urinary tract which has been rendered opaque by some opaque medium. ... (18 Nov 1997) ...

urogravimeter
Synonym: urinometer. ... Origin: uro-+ L. Gravis, heavy, + G. Metron, measure ... (05 Mar 2000) ...

uroheparin
An inactive form of heparin excreted in the urine. ... (05 Mar 2000) ...

urohypertensin
A pressor substance derived from the urine. ... (05 Mar 2000) ...

uroid
<cell biology> Tail region of a moving amoeba. ... (18 Nov 1997) ...

urokinase
<enzyme> Serine protease from kidney that is a plasminogen activator. Contains EGF like domain. ... (18 Nov 1997) ...

urokinase-converting protease
<enzyme> Degrades synthetic urokinase substrates and stimulates urokinase ... Registry number: EC 3.4.21.- ... Synonym: urokinase cofactor ... (26 Jun 1999) ...

urolagnia
Sexual stimulation occasioned by the sight of a person urinating. ... Origin: uro-+ G. Lagneia, lust ... (05 Mar 2000) ...

uroleucinic acid
Uroleucic acid ... An aromatic compound, C9H10O5, excreted in the urine of persons with alcaptonuria. ... (05 Mar 2000) ...

urolith
Synonym: urinary calculus. ... Origin: uro-+ G. Lithos, stone ... (05 Mar 2000) ...

urolithiasis
Presence of calculi in the urinary system. ... (05 Mar 2000) ...

urolithic
Relating to urinary calculi. ... (05 Mar 2000) ...

urolithology
The branch of medicine concerned with the formation, composition, effects, and removal of urinary calculi. ... Origin: uro-+ G. Lithos, stone, + logos, study ... (05 Mar 2000) ...

urologic
Pertaining to the practice of urology. ... (27 Sep 1997) ...

urologic and male genital diseases
A collective term for urinary tract diseases in male and female and diseases of the male genitalia. ... (12 Dec 1998) ...

urologic diseases
Diseases of the urinary tract in both male and female. It does not include the male genitalia for which urogenital diseases is used for general discussions of diseases of both the urinary tract and the genitalia. ... (12 Dec 1998) ...

urologic neoplasms
Neoplasms of the urinary tract in both male and female. It does not include the male genitalia for which urogenital neoplasms is used for general discussions of neoplasms of both the urinary tract and the genitalia. ... (12 Dec 1998) ...

urologic surgical procedures
Surgery performed on the urinary tract or its parts in the male or female. For surgery of the male genitalia, urologic surgical procedures, male is available. ... (12 Dec 1998) ...

urologic surgical procedures, male
Surgery performed on the male genitalia. ... (12 Dec 1998) ...

urologist
<specialist> A medically qualified specialist surgeon who has subspecialised in the surgery of the urinary tract - i.e. Kidneys, ureters, bladder and their surroundings. ... (16 Dec 1997) ...

urology
<study> A branch of medicine concerned with the diagnosis and treatment of diseases of the urinary tract and urogenital system. ... (09 Oct 1997) ...

urology department, hospital
Hospital department responsible for the administration and provision of diagnostic and therapeutic services for the urologic patient. ... (12 Dec 1998) ...

urolutein
Name given to yellow pigment in the urine. ... See: urochrome, uroporphyrin. ... (05 Mar 2000) ...

uromelanin
A black pigment occasionally found in the urine, possibly a decomposition product of urochrome. ... (05 Mar 2000) ...

urometer
Synonym for urinometer ... A hydrometer for determining the specific gravity of the urine. ... Synonym: urogravimeter, urometer. ... Origin: urine + G. Metron, measure ... (05 Mar 2000) ...

uromodulin
<protein> A naturally occurring immunosuppressant (85 kD) originally found in urine of pregnant women. Identical to Tamm Horsfall glycoprotein but cell surface linked by glycosylphosphatidylinositol. ... (18 Nov 1997) ...

uroncus
A urinary cyst; a circumscribed area of extravasation of urine. ... Origin: uro-+ G. Onkos, mass (tumour) ... (05 Mar 2000) ...

uronephrosis
Synonym for hydronephrosis ... <nephrology> Abnormal enlargement of a kidney, may occur secondary to acute ureteral obstruction (kidney stone) or chronic kidney disease. ... (27 Sep 1997) ...

uronic acid
<biochemistry> Carboxylic acids related to hexose sugars etc by oxidation of the primary alcohol group, for example glucuronic, galacturonic acid etc. ... (18 Nov 1997) ...

uronic acids
Acids derived from monosaccharides by oxidation of the primary alcohol group (-CH2OH) farthest removed from the carbonyl group to a carboxyl group (-COOH); e.g., glucuronic acid. ... (05 Mar 2000) ...

uronology
<study> That part of medicine which treats of urine. ... Synonym: urology. ... Origin: Gr. Urine. ... (04 Mar 1998) ...

uropathy
Any disorder involving the urinary tract. ... Origin: uro-+ G. Pathos, suffering ... Obstructive uropathy, any pathologic condition, anatomic or functional, of the urinary tract caused by obstruction. ... (05 Mar 2000) ...

urophanic
Appearing in the urine; denoting any constituent, normal or pathologic, of the urine. ... Origin: uro-+ G. Phaino, to appear ... (05 Mar 2000) ...

urophein
A grayish pigment occasionally found in the urine, possibly identical with urobilin. ... Origin: uro-+ G. Phaios, gray ... (05 Mar 2000) ...

uropoiesis
The production or secretion and excretion of urine. ... Origin: uro-+ G. Poiesis, a making ... (05 Mar 2000) ...

uropoietic
Relating or pertaining to uropoiesis. ... (05 Mar 2000) ...

uropoietic system
The kidneys, ureters, bladder, and urethra, considered as a system for the secretion and excretion of urine. ... (05 Mar 2000) ...

uroporphyrin
<protein> Porphyrins are pigments found in both animal and plant life. This test is useful in evaluating any number of porphyrin disorders (involving the various porphyrins) of red blood cells. Increased levels of coproporphyrins can indicate congenital erythropoietic porphyria or sideroblastic anaemia. Increased protoporphyrins may be seen i …

uroporphyrinogen
See: porphyrinogens. ... Uroporphyrinogen decarboxylase, an enzyme that participates in haem biosynthesis; it catalyses the decarboxylation of uroporphyrinogen III to produce coproporphyrinogen III; it also acts on uroporphyrinogen I; a deficiency of this enzyme will result in either porphyria cutanea tarda or hepatoerythropoietic porphyria. ... Urop …

uroporphyrinogen decarboxylase
<enzyme> One of the enzymes active in haem biosynthesis. It catalyses the decarboxylation of uroporphyrinogen III to coproporphyrinogen III by the conversion of four acetic acid groups to four methyl groups. ... Chemical name: Uroporphyrinogen-III carboxy-lyase ... Registry number: EC 4.1.1.37 ... (12 Dec 1998) ...

uroporphyrinogen I synthetase
<enzyme> An enzyme of haem biosynthesis that is defective in the inherited (autosomal dominant) disease, acute intermittent porphyria. UP I is isomerised to UP III by UP III synthetase, defective in the autosomal recessive disease, congenital erythropoietic porphyria. ... (18 Nov 1997) ...

uroporphyrinogen-III synthase
<enzyme> An enzyme that catalyses the cyclization of hydroxymethylbilane to yield uroporphyrinogen III and water. ... Chemical name: Hydroxymethylbilane hydro-lyase (cyclizing) ... Registry number: EC 4.2.1.75 ... (12 Dec 1998) ...

uroporphyrinogens
Porphyrinogens which are intermediates in haem biosynthesis. They have four acetic acid and four propionic acid side chains attached to the pyrrole rings. Uroporphyrinogen I and III are formed from polypyrryl methane in the presence of uroporphyrinogen III cosynthetase and uroporphyrin I synthetase, respectively. They can yield uroporphyrins by aut …