| ultrasonic probe: |
| | Thin, tube-like instrument that generates high frequency sound waves that scan surfaces of tissues/organs to detect abnormalities. |
| | (1174) |
| |
| ultrasonography: |
| | A test in which sound waves are bounced off body tissue, and the echos are converted into a picture, for the purpose of medical examination or diagnosis, that are viewed on a monitor. |
| | (1175) |
| |
| ultrasound: |
| | Also referred to as a sonogram. A technique that bounces painless sound waves off organs to create an image of their structure to detect abnormalities. |
| | (72) |
| |
| umbilical: |
| | Related to or situated in the umbilical cord, the navel or the area of the abdomen that surrounds the navel. |
| | (1176) |
| |
| umbilical cord: |
| | The flexible, often spirally twisted tube that connects the abdomen of the fetus to the mother's placenta through which nutrients are delivered and waste expelled. |
| | (1177) |
| |
| umbilicus: |
| | Navel or belly button. |
| | (1178) |
| |
| underactive bladder: |
| | A condition characterized by a bladder contraction of inadequate magnitude and/or duration to effect bladder emptying in a normal timespan. This condition can be caused by drugs, fecal impaction and neurologic conditions. |
| | (2009) |
| |
| undescended testicle: |
| | Also called cryptochidism. A condition seen in newborns whereby one or both of the male testes have not passed down into the scrotal sac. |
| | (1179) |
| |
| unilateral: |
| | Affecting only one side. |
| | (1180) |
| |
| unilateral adrenalectomy: |
| | Removal of one adrenal gland. |
| | (1181) |
| |
| UPJ: |
| | Also referred to as ureteropelvic junction. A blockage of a ureter in the region where the ureter enters the pelvis. Most often caused by a kidney stone. |
| | (1191) |
| |
| urachal: |
| | Relating to the urachus, which are the remains of the cavity of the allantois that usually disappear during embryo development. |
| | (1681) |
| |
| urachal sinus: |
| | The blind-end opening at the umbilicus that will not drain urine. |
| | (1182) |
| |
| urachus: |
| | The remains of the cavity of the allantois which usually disappears during embryonic development. |
| | (1183) |
| |
| uraroma: |
| | A spicy, aromatic odor of the urine. |
| | (1683) |
| |
| urate: |
| | A salt of uric acid. |
| | (1682) |
| |
| uraturia: |
| | The passage of an increased amount of urates (salt or urice acid) in the urine. |
| | (1684) |
| |
| urea: |
| | A waste product found in the blood and caused by the breakdown of protein in the liver. Urea is normally removed from the blood by the kidneys and then excreted in the urine. Urea accumulates in the body of people with renal failure. |
| | (73) |
| |
| urea reduction ratio: |
| | Also referred to as URR. A blood test that compares the amount of blood urea nitrogen before and after dialysis to measure the effectiveness of the dialysis dose. |
| | (1127) |
| |
| ureal: |
| | Relating to or containing urea, which is a waste product found in the blood and caused by the breakdown of protein in the liver. |
| | (1685) |
| |
| uremia: |
| | The illness associated with the buildup of urea in the blood because the kidneys are not working effectively. Symptoms include nausea, vomiting, loss of appetite, weakness and mental confusion. |
| | (74) |
| |
| uremic: |
| | Relating to uremia, which is the illness associated with the buildup of urea in the blood because the kidneys aren't working effectively. |
| | (1686) |
| |
| uresiesthesia: |
| | The desire to urinate. |
| | (1687) |
| |
| uresis: |
| | Urinate. |
| | (1688) |
| |
| ureter: |
| | One of two tubes that carry urine from the kidneys to the bladder. |
| | (1184) |
| |
| ureteral: |
| | Pertaining to the ureter. Also referred to as ureteric. |
| | (1346) |
| |
| ureteral avulsion: |
| | Ripping or tearing of ureteral tissue. |
| | (75) |
| |
| ureteral catheter: |
| | Thin, flexible tube inserted into the ureter to help drain urine. |
| | (1186) |
| |
| ureteral reimplantation: |
| | Surgery to create a new, longer tunnel for the ureter to pass through the bladder wall. |
| | (1187) |
| |
| ureteral stones: |
| | A kidney stone that has moved down into the ureter. |
| | (1188) |
| |
| ureteral wall: |
| | Muscular layers within the ureter that contract to force urine into the bladder. |
| | (1189) |
| |
| ureteralgia: |
| | Pain in the ureter. |
| | (1689) |
| |
| uretercystoscope: |
| | Also referred to as ureterocystoscope. A cystoscope with an attachment for catheterization of the ureters. |
| | (1690) |
| |
| ureterectasia: |
| | Dilation of the ureter. |
| | (1692) |
| |
| ureterectomy: |
| | Surgical removal of a segment of the ureter. |
| | (1693) |
| |
| ureteric: |
| | Also referred to as ureteral. Pertaining to the ureter. |
| | (1694) |
| |
| ureteritis: |
| | Inflammation of the ureter. |
| | (1695) |
| |
| ureterocele: |
| | The portion of the ureter closest to the bladder becomes swollen because the ureter opening is very tiny and obstructs urine outflow; urine backs up in the ureter tube. |
| | (1216) |
| |
| ureterocolostomy: |
| | Implantation of the ureter into the colon. |
| | (1701) |
| |
| ureterocystoscope: |
| | Also referred to as uretercystoscope. A cystoscope with an attachment for catheterization of the ureters. |
| | (1691) |
| |
| ureteroenteric: |
| | Relating to a ureter and the intestine. |
| | (1702) |
| |
| ureteroenterostomy: |
| | Formation of an opening between a ureter and the intestine. |
| | (1703) |
| |
| ureterography: |
| | Radiography of the ureter after the direct injection of contrast medium. |
| | (1704) |
| |
| ureterohydronephrosis: |
| | Hydronephrosis also involving the ureter. |
| | (1705) |
| |
| ureteroileostomy: |
| | Implantation of a ureter into an isolated segment of ileum which drains through an abdominal stoma. |
| | (1706) |
| |
| ureterolithiasis: |
| | The formation or presence of a calculus or calculi in one or both ureters. |
| | (1707) |
| |
| ureterolithotomy: |
| | Removal of a stone lodged in the ureter. |
| | (1708) |
| |
| ureterolysis: |
| | Surgical freeing of the ureter from surrounding disease or adhesions. |
| | (1709) |
| |
| ureteroneocystostomy: |
| | An operation whereby a ureter is implanted into the bladder. |
| | (1710) |
| |
| ureteropathy: |
| | Disease of the ureter. |
| | (1711) |
| |
| ureteropelvic junction: |
| | Also referred to as UPJ. A blockage of a ureter in the region where the ureter enters the pelvis. Most often caused by a kidney stone. |
| | (1190) |
| |
| ureteroplasty: |
| | Surgical reconstruction of the ureters. |
| | (1712) |
| |
| ureteroproctostomy: |
| | Establishment of an opening between a ureter and the rectum. |
| | (1713) |
| |
| ureteropyelitis: |
| | Inflammation of the pelvis of a kidney and its ureter. |
| | (1714) |
| |
| ureteropyeloplasty: |
| | Surgical reconstruction of the ureter and of the pelvis of the kidney, usually for congenital ureteropelvic junction obstruction. |
| | (1715) |
| |
| ureteropyelostomy: |
| | Formation of a junction of the ureter and the renal pelvis. |
| | (1192) |
| |
| ureteropyosis: |
| | Accumulation of pus in the ureter. |
| | (1716) |
| |
| ureterorrhagia: |
| | Hemorrhage from a ureter. |
| | (1717) |
| |
| ureterorrhaphy: |
| | Suture of a ureter. |
| | (1718) |
| |
| ureteroscope: |
| | A tool for examining the bladder and ureters and for removing kidney stones through the urethra. This procedure is called ureteroscopy (yoo-ree-tur-AH-skoh-pee). |
| | (76) |
| |
| ureteroscopy: |
| | Also known as URS. A ureteroscope is inserted through the urethra and bladder to inspect the ureters. Often used for retrieval of kidney stones. |
| | (1193) |
| |
| ureterosigmoidostomy: |
| | A surgical technique used in the treatment of bladder cancer that creates a urinary diversion using a lower portion of the large bowel. Prevents the need for an outside stoma (surgical opening) for removal of urine from the body. Risk of kidney infection and biochemical blood changes. |
| | (1621) |
| |
| ureterostenosis: |
| | Stricture (abnormal narrowing) of a ureter. |
| | (1719) |
| |
| ureterostomy: |
| | Establishment of an external opening into the ureter. |
| | (1720) |
| |
| ureterotomy: |
| | Incision and stenting of a narrow ureter. |
| | (1721) |
| |
| ureterotrigonoenterostomy: |
| | Implantation of a ureter and its portion of the trigone of the bladder into the intestine. |
| | (1722) |
| |
| ureteroureteral: |
| | Relating to two segments of the same ureter or to both ureters. |
| | (1723) |
| |
| ureteroureterostomy: |
| | Establishment of an anastomosis (an opening created from surgery, trauma or disease) between the two ureters or between two segments of the same ureter. |
| | (1724) |
| |
| ureterovesical: |
| | Relating to the ureter and the bladder, specifically the junction of ureter with bladder. |
| | (1725) |
| |
| ureterovesical: |
| | Relating to the uterus and the urinary bladder. |
| | (1784) |
| |
| ureterovesical junction: |
| | Also referred to as UVJ. Where the ureter meets the bladder. |
| | (1194) |
| |
| ureterovesicostomy: |
| | Surgical joining of a ureter to the bladder. |
| | (1726) |
| |
| ureters: |
| | Tubes that carry urine from the kidneys to the bladder. |
| | (77) |
| |
| urethra: |
| | A tube that carries urine from the bladder to the outside of the body. In males, the urethra serves as the channel through which semen is ejaculated and it extends from the bladder to the tip of the penis. In females, the urethra is much shorter than in males. |
| | (78) |
| |
| urethral: |
| | Relating to the urethra, the tube tha carries urine from the bladder to outside the body. |
| | (1196) |
| |
| urethral dilatation: |
| | A procedure in which a rod, called a dilator, is passed through the urethra for the purpose of stretching the urethra or opening a urethral stricture. |
| | (2010) |
| |
| urethral diverticulum: |
| | A sac-like or tubular growth caused by a weakened area in the urethra. |
| | (1197) |
| |
| urethral epithelium: |
| | Internal lining of the urethra. |
| | (1322) |
| |
| urethral hypermobility: |
| | Brief rotation of the urethra and bladder neck downward into the vagina due to increases in pressure on the bladder from an activity such as coughing. |
| | (79) |
| |
| urethral lumen: |
| | Urethral opening. |
| | (2029) |
| |
| urethral mucosa: |
| | Moist lining of the urethra. |
| | (1198) |
| |
| urethral obstruction: |
| | A blockage in the urethra. A kidney stone is the most common cause. |
| | (80) |
| |
| urethral polyp: |
| | Non-cancerous growth in the urethra. |
| | (1199) |
| |
| urethral pressure profilometry : |
| | Also known as UPP. A technique used to measure resting and dynamic pressures in the urethra. |
| | (2011) |
| |
| urethral prolapse: |
| | Forward or downward displacement of the urethra. |
| | (1200) |
| |
| urethral sphincter: |
| | Muscle fibers around the outside of the urethra that tighten to close off the flow of urine or relax to open the urethra to allow the passage of urine. |
| | (81) |
| |
| urethral sphincter mechanism: |
| | The segment of the urethra that influences storage and emptying of urine in the bladder. Acts like a valve that controls bladder emptying and urination by tightening to close off the flow or urine or by relaxing, which opens the outlet from the bladder, allowing urine to flow from the bladder to the outside of the body. |
| | (2012) |
| |
| urethral stricture: |
| | Scarring of tissue that causes narrowing or blockage of the canal leading from the bladder, discharging the urine externally. |
| | (82) |
| |
| urethral stricture disease: |
| | Scarring and narrowing at one or more points in the urethra and of variable severity. |
| | (1330) |
| |
| urethralgia: |
| | Pain in the urethra. |
| | (1727) |
| |
| urethrectomy: |
| | Excision of a segment or the entire urethra. |
| | (1728) |
| |
| urethremorrhagia: |
| | Bleeding from the urethra. |
| | (1729) |
| |
| urethrism: |
| | Irritability or spasmodic stricture (abnormal narrowing) of the urethra. Also referred to as urethrismus. |
| | (1730) |
| |
| urethrismus: |
| | Irritability or spasmodic stricture (abnormal narrowing) of the urethra. Also referred to as urethrism. |
| | (1731) |
| |
| urethritis: |
| | Inflammation of the urethra. |
| | (83) |
| |
| urethrocele: |
| | A hernia or dropping of the urethra allowing part of the urethra to press on the vaginal wall. |
| | (1732) |
| |
| urethrocystometry: |
| | A procedure that simultaneously measures pressures in urinary bladder and urethra. |
| | (1733) |
| |
| urethrocystopexy: |
| | Fixation of urethra and bladder for stress incontinence. |
| | (1734) |
| |
| urethrography: |
| | X-ray examination of the urethra involving radiopaque fluid used to detect any narrowing or other abnormalities. |
| | (1329) |
| |
| urethromeatoplasty: |
| | Plastic surgery of the urethral canal. |
| | (1201) |
| |
| urethrometer: |
| | An instrument for measuring the caliber of the urethra. |
| | (1735) |
| |
| urethropenile: |
| | Relating to the urethra and the penis. |
| | (1736) |
| |
| urethroperineal: |
| | Relating to the urethra and the perineum. |
| | (1737) |
| |
| urethroperineoscrotal: |
| | Relating to the urethra, perineum and scrotum. |
| | (1738) |
| |
| urethroplasty: |
| | Surgical repair of the urethra. |
| | (1325) |
| |
| urethroprostatic: |
| | Relating to the urethra and prostate. |
| | (1739) |
| |
| urethrorectal: |
| | Relating to the urethra and the rectum. |
| | (1740) |
| |
| urethrorrhaphy: |
| | Suture of the urethra |
| | (1741) |
| |
| urethrorrhea: |
| | An abnormal discharge from the urethra. |
| | (1742) |
| |
| urethroscope: |
| | An instrument consisting of a fine tube fitted with a light and lenses, for examination of the interior of the male urethra, including the prostate region. |
| | (1324) |
| |
| urethroscopic: |
| | Relating to the urethroscope or to urethroscopy. |
| | (1743) |
| |
| urethroscopy: |
| | Inspection of the urethra with a urethroscope. |
| | (1761) |
| |
| urethrostaxis: |
| | Oozing of blood from the urethra. |
| | (1762) |
| |
| urethrostenosis: |
| | Stricture (abnormal narrowing) of the urethra. |
| | (1763) |
| |
| urethrotome: |
| | An instrument for dividing a stricture of the urethra. |
| | (1764) |
| |
| urethrotomy: |
| | Operating of cutting a stricture in the urethra. |
| | (1340) |
| |
| urethrovaginal: |
| | Between the urethra and vagina. |
| | (1202) |
| |
| urethrovesical: |
| | Relating to the urethra and bladder. Connection or junction between the base of bladder (bladder neck) and urethra. |
| | (1766) |
| |
| urethrovesical angle: |
| | Angle formed by the base of the bladder and the urethra. |
| | (2013) |
| |
| urge: |
| | Strong desire to urinate. |
| | (1603) |
| |
| urge incontinence: |
| | Also referred to as urge urinary incontinence. Wetting. Involuntary urinary leakage when the bladder contracts unexpectedly by itself. The inability to hold urine long enough to reach a restroom. |
| | (1203) |
| |
| urge urinary incontinence: |
| | Also referred to as urge incontinence. Urinary leakage when the bladder contracts unexpectedly by itself. The inability to hold urine long enough to reach a restroom. |
| | (1563) |
| |
| urgency: |
| | Strong desire to urinate. |
| | (1604) |
| |
| uric: |
| | Relating to urine. |
| | (1767) |
| |
| uric acid: |
| | A slightly soluble acid present in urine and blood produced by the body's breakdown of waste nitrogenous substances. |
| | (1372) |
| |
| uric acid stone: |
| | A kidney stone that may result from animal protein in the diet. When the body breaks down this protein, uric acid levels rise and can form stones. |
| | (85) |
| |
| uricosuria: |
| | Excessive amounts of uric acid in the urine. |
| | (1768) |
| |
| urinal: |
| | A portable device that is used as a receptacle for urine. |
| | (2014) |
| |
| urinalysis: |
| | A test of a urine sample that can reveal many problems of the urinary system and other body systems. The sample may be observed for physical characteristics, chemistry, the presence of drugs or germs or other signs of disease. |
| | (86) |
| |
| urinary: |
| | Relating to urine. |
| | (1769) |
| |
| urinary continence: |
| | Ability to control urination. |
| | (1423) |
| |
| urinary cytology: |
| | Inspection under a microscope of cells found in the urine. |
| | (87) |
| |
| urinary diversion: |
| | A term used when the bladder is removed or the normal structures are being bypassed and an opening is made in the urinary system to divert urine. The flow of urine is diverted through an opening in the abdominal wall. |
| | (1825) |
| |
| urinary dysfunction: |
| | Abnormal urination, patterns or bladder habits, including wetting, dribbling and other urination control problems. |
| | (1607) |
| |
| urinary frequency: |
| | Urination eight or more times a day. |
| | (88) |
| |
| urinary incontinence: |
| | Inability to control urination. |
| | (1527) |
| |
| urinary problems: |
| | Abnormal urination patterns or bladder habits, including wetting, dribbling and other urination control problems. |
| | (1606) |
| |
| urinary reservoir: |
| | Surgically created structure which collects and stores urine. |
| | (1206) |
| |
| urinary retention: |
| | Failure to empty the bladder totally. |
| | (1205) |
| |
| urinary tract: |
| | The system that takes wastes from the blood and carries them out of the body in the form of urine. Passageway from the kidneys to the ureters, bladder and urethra. |
| | (90) |
| |
| urinary tract infection: |
| | Also referred to as UTI. An illness caused by harmful bacteria, viruses or yeast growing in the urinary tract. |
| | (91) |
| |
| urinary urgency: |
| | Inability to delay urination. |
| | (92) |
| |
| urinate: |
| | To release urine from the bladder to the outside. Also referred to as void. |
| | (93) |
| |
| urination: |
| | The passing of urine. |
| | (1770) |
| |
| urine: |
| | Liquid waste product filtered from the blood by the kidneys, stored in the bladder and expelled from the body through the urethra by the act of urinating (voiding). About 96 percent of which is water and the rest waste products. |
| | (94) |
| |
| urine culture: |
| | Sample of urine for diagnostic purposes. |
| | (1207) |
| |
| urine cytologies: |
| | Used to look for cancer cells in the urine. |
| | (1880) |
| |
| urine flow study: |
| | A test in which the patient urinates into a special device that measures how quickly the urine is flowing. |
| | (1208) |
| |
| urinoma: |
| | A cyst (sac) containing urine. |
| | (95) |
| |
| urochesia: |
| | Passage of urine from the anus. |
| | (1771) |
| |
| urochesis: |
| | Retention of urine. |
| | (1780) |
| |
| urocystic: |
| | Relating to the urinary bladder. |
| | (1772) |
| |
| urodynamic test: |
| | Measures the bladder's ability to hold and release urine. |
| | (1125) |
| |
| urodynamic testing: |
| | Procedures designed to provide information about a bladder problem. Measures of the bladder's ability to hold and release urine. |
| | (1209) |
| |
| urodynamics: |
| | A series of tests that measures the bladder's ability to hold and release urine. |
| | (1641) |
| |
| urodynia: |
| | Pain on urination. |
| | (1774) |
| |
| uroflow: |
| | Urination flow. |
| | (1341) |
| |
| uroflow test: |
| | Measurement of the rate at which urine flows out of the body. A lower than normal rate can indicate obstruction. |
| | (97) |
| |
| uroflowmeter: |
| | A device that measures urine flow rates. |
| | (1775) |
| |
| uroflowmetry: |
| | A urodynamic test that measures urine flow either visually, electronically, or with the use of a disposable flowmeter unit. |
| | (2015) |
| |
| urogenital: |
| | Refers to the urinary and reproductive systems. |
| | (1211) |
| |
| urolithiasis: |
| | Stones in the urinary system. |
| | (98) |
| |
| urologist: |
| | A doctor who specializes in diseases of the male and female urinary systems and the male reproductive system. Click here to learn more about urologists.
(Download the free Acrobat reader.) |
| | (99) |
| |
| urology: |
| | Branch of medicine concerned with the urinary tract in males and females and with the genital tract and reproductive system of males. |
| | (1210) |
| |
| uroncus: |
| | A urinary cyst. |
| | (1776) |
| |
| uropathy: |
| | Any disorder involving the urinary tract. |
| | (1777) |
| |
| uroradiology: |
| | The study of the radiology of the urinary tract. |
| | (1778) |
| |
| urorectal: |
| | Relating to the urinary tract and rectum. |
| | (1779) |
| |
| uroscopic: |
| | Relating to uroscopy, the examination of the urine usually by means of a microscope. |
| | (1781) |
| |
| uroscopy: |
| | Examination of the urine, usually by means of a microscope. |
| | (1782) |
| |
| urosemiology: |
| | The study of the urine as an aid to diagnosis. |
| | (1783) |
| |
| urostomy: |
| | An opening through the skin to the urinary tract to allow urine to drain when normal voiding is not possible. |
| | (100) |
| |
| urothelial cancer: |
| | Cancer of the cells within the thin, protective lining of an organ. |
| | (1212) |
| |
| urothelial cells: |
| | Cells within the thin, protective lining of an organ. |
| | (1213) |
| |
| urothelial tumors: |
| | Tumors within the thin, protective lining of an organ. |
| | (1214) |
| |
| urothelium: |
| | Mucus lining in organs of the urinary tract, consisting in the bladder of three to seven cell layers. |
| | (101) |
| |
| URR: |
| | Also referred to as urea reduction ratio. A blood test that compares the amount of blood urea nitrogen before and after dialysis to measure the effectiveness of the dialysis dose. |
| | (102) |
| |
| URS: |
| | Also known as ureteroscopy. A ureteroscope is inserted through the urethra and bladder to inspect the ureters. Often used for retrieval of kidney stones. |
| | (1422) |
| |
| uterine prolapse: |
| | The uretrus has slipped (dropped) from its normal position and the cervix is closer to or may protrude outside the vagina. |
| | (1215) |
| |
| uterus: |
| | A hallow, muscular organ in the pelvis cavity of females in which the embryo is nourished and develops before birth. |
| | (1218) |
| |
| uterus didelphys: |
| | A double uterus. |
| | (1219) |
| |
| uterus duplex bicollis: |
| | Uterus with two cervixes. |
| | (1220) |
| |
| UTI: |
| | Also referred to as urinary tract infection. An illness caused by harmful bacteria growing in the urinary tract. |
| | (1124) |
| |
| UVJ: |
| | Also referred to as ureterovesical junction. Where the ureter meets the bladder. |
| | (1195) |
| |