Copy of `Dorland's Medical Dictionary`

The wordlist doesn't exist anymore, or, the website doesn't exist anymore. On this page you can find a copy of the original information. The information may have been taken offline because it is outdated.

Dorland's Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 31/12/2010, USA Words: 39128

urinalysis
(u″rĭ-nal´ĭ-sis) analysis of the urine as an aid in diagnosis of disease. Many types of test are used in analyzing the urine in order to determine whether it contains abnormal substances indicative of disease. The most significant substances normally absent from urine and detected by urinalysis are...

urinary
(u´rĭ-nar″e) pertaining to urine. containing or secreting urine.

urinary bladder
a hollow container with muscular walls in the anterior part of the pelvic cavity; often called simply the bladder. It is joined to the kidneys by the ureters and to the exterior of the body by the urethra. Urine passes into it from the kidneys every few seconds and remains there until the person urinates. This occurs when the sphinct...

urinary calculus
a calculus in any part of the urinary tract; it is vesical when lodged in the bladder and renal (see kidney stone) when in the renal pelvis. Common types named for their primary components are oxalate calculi, phosphate calculi, and uric acid calculi. Called also urolith.

urinary fistula
an abnormal passage between the urinary tract and another organ or the surface of the body.

urinary flow study
uroflowmetry.

urinary incontinence
lack of control of the passage of urine from the bladder; it can be caused by pathologic, anatomic, or physiologic factors affecting the urinary tract, as well as by factors entirely outside it. Called also enuresis.

urinary meatus
the opening of the urethra on the body surface, through which urine is discharged.

urinary reflex
micturition reflex.

urinary schistosomiasis
infection with Schistosoma haematobium involving the urinary tract and causing bladder infection and hematuria.

urinary space
a narrow chalice-shaped cavity in the renal glomerulus, continuous with the lumen of the proximal convoluted tubule. Called also Bowman or capsular space.

urinary system
the system formed in the body by the kidneys, ureters, urinary bladder, and urethra, the organs concerned in the production and excretion of urine.

urinary tract
urinary system. sometimes more specifically the outflow passageways leading from the pelvis of the kidneys to the urinary meatus.

urinary tract infection
(UTI) infection in the urinary tract; types are named for the part of the tract involved, such as urethritis, cystitis, ureteritis, pyelonephritis, and glomerulonephritis. Symptoms include dysuria, malaise, nausea, urinary frequency and urgency, and nocturia. There also may be a feeling of suprapubic fullness not ...

urinate
(u´rĭ-nāt) to discharge urine.

urination
(u″rĭ-na´shәn) the discharge of urine from the bladder; urine from the kidneys is passed in spurts every few seconds along the ureters to the bladder, where it collects and later is passed to the outside via the urethra. Called also micturition.

urine
(u´rin) the fluid containing water and waste products that is secreted by the kidneys, stored in the bladder, and discharged by way of the urethra. Several different types of waste products are eliminated in urine, such as urea, uric acid, ammonia, and creatinine; none are useful in the blood. The largest component of urine b...

urine concentration test
under a controlled diet the specific gravity of the urine should reach 1.18 or more at certain times.

uriniferous
(u″rĭ-nif´әr-әs) transporting or conveying urine.

uriniferous tubule
renal tubules.

uriniparous
(u″rĭ-nip´ә-rәs) excreting urine.

urinogenital
(u″rĭ-no-jen´ĭ-tәl) genitourinary.

urinogenous
(u″rĭ-noj´ә-nәs) of urinary origin.

urinology
(u″rĭ-nol´ә-je) urology.

urinoma
(u″rĭ-no´mә) a collection of urine encapsulated by fibrous tissue, resulting from leakage of urine from a tear in the ureter, renal pelvis, or renal calices because of obstruction of the ureter or trauma.

urinometer
(u″rĭ-nom´ә-tәr) an instrument for determining the specific gravity of urine.

urinothorax
(u″rĭ-no-tho´raks) hydrothorax in which the fluid is urine, secondary to an obstruction in the renal pelvis or urinary tract.

urinous
(u´rĭ-nәs) urinary.

uriposia
(u″rĭ-po´ze-ә) the drinking of urine.

Urispas
(u´rĭ-spaz) trademark for a preparation of flavoxate, a smooth muscle relaxant used as a urinary tract antispasmodic.

urobilin
(u″ro-bi´lin) a brown pigment formed by oxidation of urobilinogen; found in the feces and sometimes in the urine after standing in the air.

urobilinemia
(u″ro-bil″ĭ-ne´me-ә) urobilin in the blood.

urochezia
(u″ro-ke´zhә) discharge of urine in the feces.

urochrome
(u´ro-krōm) a breakdown product of hemoglobin related to the bile pigments, found in the urine and responsible for its yellow color.

urochromogen test
see Weisz test.

uroclepsia
(u″ro-klep´se-ah) the unconscious, involuntary escape of urine.

urocystitis
(u″ro-sis-ti´tis) cystitis.

urodynamics
(u″ro-di-nam´iks) the dynamics of the propulsion and flow of urine in the urinary tract. Testing of urodynamics is done by injecting water or carbon dioxide into the bladder via a catheter. Bladder sensation, capacity, and strength of contraction, as well as ability to hold urine in the bladder, can thus be quanti...

urodynia
(u″ro-din´e-ә) pain accompanying urination.

uroedema
(u″ro-ә-de´mә) edema from infiltration of urine.

uroflowmetry
(u″ro-flo´met-re) the graphic representation of urinary flow, expressed as cubic centimeters per second; called also flow study and urinary flow study.

urofollitropin
(u″ro-fol´ĭ-tro″pin) a preparation of gonadotropins from the urine of postmenopausal women; it contains follicle-stimulating hormone and is used in conjunction with human chorionic gonadotropin to induce ovulation in the treatment of female infertility and to stimulate multiple oocyte development in ovulatory...

urogenital
(u″ro-jen´ĭ-tәl) pertaining to the urinary system and genitalia; called also genitourinary.

urogenital diaphragm
a traditional but no longer valid concept that superior and inferior layers enclose the sphincter urethrae and deep transverse perineal muscles and together form a musculomembranous sheet that extends between the ischiopubic rami.

urogenital ducts
the paramesonephric and mesonephric ducts.

urogenital region
the part of the perineal region that surrounds the external genital organs and the urethral orifice,

urogenital ridge
a longitudinal ridge in the embryo, lateral to the mesentery.

urogenital sinus
an elongated sac formed by division of the cloaca in the early embryo; it ultimately forms most of the bladder in both sexes, the vestibule, urethra, and vagina in the female, and most of the urethra in the male.

urogenital system
genitourinary system.

urogenous
(u-roj´ә-nәs) producing urine. produced from or in the urine.

urogram
(u´ro-gram) a film obtained by urography.

urography
(u-rog´rә-fe) radiography of any part of the urinary tract. ascending urography , cystoscopic urography retrograde urography. descending urography , excretion urography , excretory urography , intrave...

urogynecology
(u″ro-gi″nә-kol´ә-je) a subspecialty of gynecology that deals with pelvic floor disorders, originally applied only to the lower female urinary tract but now including a wide range of disorders, such as fecal or urinary incontinence or prolapse of the bladder or uterus.

urokinase
(u″ro-ki´nās) u-plasminogen activator; the term is used particularly to denote a pharmaceutical preparation of the enzyme, administered intravenously as a thrombolytic agent in the treatment of acute coronary thrombosis and acute pulmonary embolism; also used to clear intravenous catheters of obstructions composed ...

urolagnia
(u″ro-lag´ne-ә) a paraphilia in which sexual excitement is associated with the sight or thought of urine or urination. See also urophilia.

urolith
(u´ro-lith) a calculus in the urine or the urinary tract. adj., urolith´ic, adj. .

urolithiasis
(u″ro-lĭ-thi´ә-sis) formation of urinary calculi, or the condition associated with urinary calculi.

urologist
(u-rol´ә-jist) a specialist in urology.

urology
(u-rol´ә-je) the medical specialty concerned with the urinary system in both male and female and the genital organs in the male. adj., urolog´ic, urolog´ical, adj. .

uromelus
(u-rom´ә-lәs) a symmelus with one foot.

urometry
(u-rom´ә-tre) the graphic recording of pressure changes caused by ureteral peristalsis; the Whitaker test is used to assess ureteral peristalsis and evaluate obstruction between the renal pelvis and ureterovesical junction.

uropathy
(u-rop´ә-the) any disease in the urinary tract.

urophilia
(u″ro-fil´e-ә) a paraphilia in which sexual arousal or activity is linked to urine. See also urolagnia.

uropoiesis
(u″ro-poi-e´sis) the formation of urine. adj., uropoiet´ic, adj. .

uroporphyria
(u″ro-por-fir´e-ә) porphyria with excessive excretion of porphyrins.

uroporphyrin
(u″ro-por´fә-rin) any of several porphyrins produced by oxidation of uroporphyrinogen; one or more are excreted in excess in the urine in several of the porphyrias.

uroporphyrinogen
(u″ro-por″fә-rin´ә-jәn) a porphyrinogen formed from porphobilinogen; it is a precursor of uroporphyrin and coproporphyrinogen.

uroprotective
(u″ro-pro-tek´tiv) providing protection of the urinary tract, especially against urotoxicity.

uropsammus
(u″ro-sam´әs) urinary gravel.

uroradiology
(u″ro-ra″de-ol´ә-je) radiology of the urinary tract.

uroschesis
(u-ros´kә-sis) retention or suppression of the urine.

uroscopy
(u-ros´kә-pe) diagnostic examination of the urine. adj., uroscop´ic, adj. .

urosepsis
(u″ro-sep´sis) a term used imprecisely to denote infection ranging from urinary tract infection to generalized sepsis which may result from such infection. adj., urosep´tic, adj. .

urotoxicity
(u″ro-tok-sis´ĭ-te) the toxic quality of the urine.

ursodiol
(ur″so-di´ol) the secondary bile acid ursodeoxycholic acid used as an anticholelithic to dissolve radiolucent, noncalcified gallstones.

urticant
(ur´tĭ-kәnt) producing urticaria.

urticaria
(ur″tĭ-kar´e-ә) a vascular reaction of the upper dermis marked by transient, slightly elevated patches called wheals that are redder or paler than the surrounding skin; there often is severe itching. Common causes include foods, drugs, infections, and emotional stress. See Atlas 2. Called also hives. ad...

urticaria medicamentosa
(ur″tĭ-kar´e-ә mә-dik″ә-mәn-to´sә) drug-induced urticaria.

urticaria pigmentosa
(ur″tĭ-kar´e-ә pig″mәn-to´sә) the most common form of mastocytosis, manifested as persistent discolored macules or soft plaques of various sizes; itching and wheals occur when the lesions are stroked. It is usually seen in children and called juvenile urticaria pigmentosa, present at b...

urtication
(ur″tĭ-ka´shәn) the development or formation of urticaria. a burning sensation, as of the sting of nettles.

urushiol
(u-roo´she-ol) an oleoresin that is the toxic irritant principle of poison ivy and related plants, and is also found in a few less common plant species.

urushiol dermatitis
allergic contact dermatitis caused by contact with leaves, stems, or other parts of urushiol-containing plants; the most common urushiol-containing plants are in the family Anacardiaceae, such as in the genera Rhus. See also rhus dermatitis and mango dermatitis.

USAN
(u´san) United States Adopted Name.

use
(ūs) the applying of something to a specific desired purpose. substance use substance abuse.

Usher syndrome
(ush´әr) an autosomal recessive disorder characterized by congenital deafness and progressive blindness resulting from retinitis pigmentosa; sometimes mental retardation and disturbances of gait also occur.

USP
United States Pharmacopeia.

USP unit
one used in the United States Pharmacopeia for expressing potency of drugs and other preparations.

USPHS
United States Public Health Service.

USR test
unheated serum reagin test.

USRDS
United States Renal Data System.

ustilaginism
(us″tĭ-laj´ĭ-niz-әm) a condition resembling ergotism, due to ingestion of corn (maize) contaminated with the fungus Ustilago maydis.

usual interstitial pneumonia
idiopathic pulmonary fibrosis.

uteralgia
(u″tәr-al´jә) hysteralgia.

uterine
(u´tәr-in) of or pertaining to the uterus.

uterine artery
origin, internal iliac artery; branches, ovarian and tubal branches, vaginal artery; distribution, uterus, vagina, round ligament of uterus, uterine tube, ovary.

uterine calculus
any kind of concretion in the uterus, such as a calcified myoma. Called also hysterolith and uterolith.

uterine canal
the cavity of the uterus.

uterine cavity
the flattened space within the uterus communicating proximally on either side with the fallopian tubes and below with the vagina.

uterine contractions
contractions of the uterus, as during menstruation or labor.

uterine corpus carcinoma
carcinoma of the corpus uteri, usually endometrial carcinoma, one of the most common gynecological cancers; it ranges in malignancy from locally invasive to metastatic.