Medical Dictionary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

urinoma (ur′i-no′ma)
A collection of extravasated urine. SYN: urinary cyst.

urinometer (ur-i-nom′e-ter)
A hydrometer for determining the specific gravity of the urine. SYN: urogravimeter, urometer. [urine + G. metron, measure]

urinometry (ur-i-nom′e-tre)
The determination of the specific gravity of the urine.

urinoscopy (ur-i-nos′ko-pe)
SYN: uroscopy.

urinosexual (ur-i-no-sek′shoo-al)
SYN: genitourinary.

urinous (ur′i-nus)
Relating to or of the nature of urine.

uriposia (ur-i-po′se-a)
Urine-drinking. [urine + G. posis, drinking]

uro-
Urine. SEE ALSO: ure-, urin-. [G. ouron]

uroammoniac (u-ro-a-mo′ne-ak)
Relating to uric acid and ammonia; denoting a variety of urinary calculus.

uroanthelone (ur-o-an′the-lon)
SYN: urogastrone.

urobilin (ur-o-bi′lin, -bil′in)
A uroporphyrin; an acyclic tetrapyrrole that is one of the natural breakdown products of heme via choleglobin, verdohemochrome, biliverdin, bilirubin, and d-urobilinogen; a urinary pigment that gives a varying orange-red coloration to urine according to its degree of oxidation. SYN: urohematin, urohematoporphyrin.

urobilin IXα
SYN: mesobilene.

urobilinemia (u′ro-bil-i-ne′me-a)
The presence of urobilins in the blood.

urobilinogen (ur-o-bi-lin′o-jen)
Precursor of urobilin.

urobilinogen IXα
SYN: mesobilane.

urobilinuria (u′ro-bil-i-noo′re-a)
The presence in the urine of urobilins in excessive amounts, formed mainly from hemoglobin.

urocanase (u′ro-ka-nas)
SYN: urocanate hydratase.

urocanate (ur′o-ka-nat)
A salt or ester of urocanic acid. u. 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. SYN: urocanase.

urocanic acid (ur-o-kan′ik)
4-Imidazoleacrylic acid;an acid derived from the oxidative deamination of l-histidine; present in sweat and in dog's urine; elevated levels are observed in cases of urocanate hydratase deficiency. The cis form, resulting from exposure to UV radiation, activates suppressor T cells.

urocanic aciduria (oor′o-kan′ik-as′id-ur′e-a)
Elevated levels of urocanic acid in the urine.

urocanicase (ur-o-kan′i-kas)
One of a group of at least three enzymes that convert urocanic acid to glutamic acid.

urocele (u′ro-sel)
Extravasation of urine into the scrotal sac. [uro- + G. kele, hernia]

urocheras (u-rok′er-as)
1. SYN: gravel. 2. SYN: uropsammus (2) . [uro- + G. cheras, gravel (an incorrect form of cherados, gravel)]

urochesia (u-ro-ke′ze-a)
Passage of urine from the anus. [uro- + G. chezo, to defecate]

urochrome (ur′o-krom)
The principal pigment of urine, a compound of urobilin and a peptide of unknown structure. SYN: urian.

urochromogen (ur-o-kro′mo-jen)
Originally, a body in the urine that, on taking up oxygen, formed urochrome; now, probably urobilinogen.

urocrisia (u-ro-kris′e-a, -kriz′e-a)
1. SYN: urocrisis. 2. Obsolete term for diagnosis based upon the results of a urinary examination. [uro- + G. krino, to separate, judge]

urocrisis (u′ro-kri′sis)
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. SYN: urocrisia (1) . [uro- + G. krisis, crisis]

urocyanin (u′ro-si′a-nin)
An indigo blue pigment sometimes observed in the urine in certain diseases, especially scarlet fever. SYN: uroglaucin. [uro- + G. kyanos, a blue substance]

urocyanogen (u-ro-si-an′o-jen)
A blue pigment sometimes observed in the urine in cases of cholera.

urocyanosis (u′ro-si-a-no′sis)
A bluish discoloration of the urine in indicanuria.

urocyst (u′ro-sist)
SYN: urinary bladder. [uro- + G. kystis, bladder]

urocystic (u′ro-sis′tik)
Relating to the urinary bladder.

urocystis (u′ro-sis′tis)
SYN: urinary bladder.

urodynamics (u′ro-di-nam′iks)
The study of the storage of urine within, and the flow of urine through and from, the urinary tract. [uro- + G. dynamis, force]

urodynia (ur-o-din′e-a)
Pain on urination. [uro- + G. odyne, pain]

uroenterone (ur-o-en′ter-on)
SYN: urogastrone.

uroerythrin (u-ro-er′i-thrin)
A urinary pigment that gives a pink color to deposits of urates; presumably derived from melanin. SYN: purpurin (1) , urerythrin.

uroflavin (ur-o-fla′vin)
A fluorescent product of riboflavin catabolism, or perhaps riboflavin itself, found in mammalian urine and feces.

uroflowmeter (u-ro′flo-me-ter)
A device that measures urine flow rates during micturition, including these parameters: peak flow rate, average flow rate, voided volume, and time of voiding.

urofollitropin (ur-o-fol′i-tro-pin)
A preparation of gonadotropin extracted from the urine of postmenopausal women, used in conjunction with human chorionic gonadotropin to induce ovulation. SEE ALSO: menotropins.

urofuscohematin (u-ro-fus-ko-he′ma-tin)
A brownish red pigment found in the urine in certain diseases such as leprosy.

urogastrone (ur-o-gas′tron)
A fluorescent pigment extracted from urine; an inhibitor of gastric secretion and motility. Cf.:enterogastrone. SYN: anthelone U, anthelone, uroanthelone, uroenterone.

urogenital (u′ro-jen′i-tal)
SYN: genitourinary.

urogenous (u-roj′e-nus)
SYN: urinogenous.

uroglaucin (u-ro-glaw′sin)
SYN: urocyanin. [uro- + G. glaukos, bluish gray]

urogonadotropin (ur′o-go-nad-o-tro′pin)
See human menopausal gonadotropin.

urograffin (ur-o-graf′fin)
A mixture of salts of diatrizoic acid used to form density gradients.

urogram (ur′o-gram)
The radiographic record obtained by urography.

urography (u-rog′ra-fe)
Radiography of any part (kidneys, ureters, or bladder) of the urinary tract. SEE ALSO: pyelography. [uro- + G. grapho, to write] antegrade u. radiography following intravenous or percutaneous injection of contrast agent with a needle or catheter into the renal calices or pelvis (antegrade pyelography), or into the urinary bladder (antegrade cystography). cystoscopic u. SYN: retrograde u.. intravenous u., excretory u. radiography of kidneys, ureters, and bladder following injection of contrast medium into a peripheral vein. retrograde u. radiography of the urinary tract following injection of contrast medium directly into the urethra, bladder, ureter, or renal pelvis. SYN: cystoscopic u..

urogravimeter (u′ro-gra-vim′e-ter)
SYN: urinometer. [uro- + L. gravis, heavy, + G. metron, measure]

urohematin (ur-o-hem′a-tin)
SYN: urobilin.

urohematoporphyrin (ur′o-hem′a-to-por′fi-rin)
SYN: urobilin.

uroheparin (ur-o-hep′a-rin)
An inactive form of heparin excreted in the urine.

urohypertensin (ur′o-hi-per-ten′sin)
A pressor substance derived from the urine.

urokinase (ur-o-ki′nas)
SYN: plasminogen activator.

urolagnia (ur-o-lag′ne-a)
Sexual stimulation occasioned by the sight of a person urinating. [uro- + G. lagneia, lust]

uroleucinic acid, uroleucic acid (u′ro-loo-sin′ik, u-ro-loo′sik)
An aromatic compound, excreted in the urine of persons with alcaptonuria.

urolith (u′ro-lith)
SYN: urinary calculus. [uro- + G. lithos, stone]

urolithiasis (u-ro-li-thi′a-sis)
Presence of calculi in the urinary system.

urolithic (u-ro-lith′ik)
Relating to urinary calculi.

urolithology (u′ro-li-thol′o-je)
The branch of medicine concerned with the formation, composition, effects, and removal of urinary calculi. [uro- + G. lithos, stone, + logos, study]

urologic, urological (u-ro-loj′ik, i-kal)
Relating to urology.

urologist (u-rol′o-jist)
A specialist in urology. SYN: genitourinary surgeon.

urology (u-rol′o-je)
The medical specialty concerned with the study, diagnosis, and treatment of diseases of the genitourinary tract. [uro- + G. logos, study]

urolutein (u-ro-loo′te-in)
Name given to yellow pigment in the urine. See urochrome, uroporphyrin (1) .

uromelanin (ur-o-mel′a-nin)
A black pigment occasionally found in the urine, possibly a decomposition product of urochrome.

urometer (u-rom′e-ter)
SYN: urinometer.

uroncus (u-rong′kus)
A urinary cyst; a circumscribed area of extravasation of urine. [uro- + G. onkos, mass (tumor)]

uronic acids (u-ron′ik)
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.

uronoscopy (u-ro-nos′ko-pe)
SYN: uroscopy.

uropathy (u-rop′a-the)
Any disorder involving the urinary tract. [uro- + G. pathos, suffering] obstructive u. any pathologic condition, anatomic or functional, of the urinary tract caused by obstruction.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

. . . Feedback