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PT 100 Urinary System
defintions
119
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Undergraduate 2
04/27/2008

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Term
glomerulus
Definition
a coiled capillary tucked within the space of a Bowman's capsule through which blood passes
Term
urinary meatus
Definition
the external opening of the urethra
Term

nephron

 

Definition
the subunits of each kidney, composed of a renal corpuscle (Bowman's capsule and glomerulus) and a renal tubule
Term
renal pelvis
Definition
a membrane-enclosed basin that collects urine in the interior of a kidney
Term
renal cortex
Definition
the outer portion of the interior of a kidney
Term
renal medulla
Definition
the inner portion of the interior of a kidney
Term
renal corpuscle
Definition
composed of the Bowman's capsule and the glomerulus
Term
renal tubule
Definition

the long, twisting part of a nephron

Term
ureters
Definition
paired, narrow tubes that conduct urine from each kidney to the posterior part of the urinary bladder
Term
urethra
Definition
a tube that conveys urine from the urinary bladder to the exterior 
Term
internal urethral sphincter
Definition
an involuntary muscle that keeps urine from entering the urethra while it is stored in the bladder
Term
external urethral sphincter
Definition
a voluntary muscle that prevents or allows urine to be released
Term
urinary bladder
Definition

a hollow, muscular organ located at the base of the pelvic cavity that serves as a temporary reservoir for urine

Term
urine
Definition
a yellowish liquid waste, normally about 95% water and 5% electrolytes and nitrogenous waste, produced through filtration, reabsorption and secretion in the kidneys
Term
Bowman's capsule (BC)
Definition
named for its 18th century discoverer, Sir William Bowman, the Bowman's capsule is a hollow, ball-shaped structured located at one end of a nephron that includes an internal membrane
Term
hilum
Definition
the concave side of a kidney
Term
kidneys
Definition
a pair of organs located against the posterior abdominal wall on each side of the vertebral column, which form urine through filtration of the blood and also help regulate BP and maintain and electrolyte balance
Term
micturition
Definition
the release of urine; voiding
Term
albuminuria
Definition
presence of albumin, a protein normally in blood, in the urine
Term
anuresis
Definition
inability to pass urine
Term
anuria
Definition
absence of urine
Term
azotemia
Definition
abnormally high urea and other nitrogenous compounds in the blood
Term
bacteriuria
Definition
presence of bacteria in the urine
Term
diuresis
Definition
condition of urine passing (usually refers to excessive urine dischrage)
Term
dysuria
Definition

difficulty or painful urination

Term
enuresis
Definition
to void urine (refers to the involuntary release of urine, usually due to lack of bladder control)
Term
noctunal enuresis
Definition
bed-wetting
Term
glycosuria
Definition
presence of glucose in the urine
Term
hematuria
Definition
presence of blood in the urine
Term
ketonuria
Definition
presence of ketone bodies in the urine
Term
nocturia
Definition
urination at night
Term
oliguria
Definition
reduced urination
Term
polyuria
Definition
excessive urination
Term
proteinuria
Definition
presence of protein in the urine
Term
pyuria
Definition
presence of pus (WBCs) in the urine
Term
cystitis
Definition
inflammation of the urinary bladder
Term
cystocele
Definition
protrusion of the urinary bladder
Term
cystolith
Definition
a stone in the urinary bladder
Term
epispadias
Definition
a congenital defect resulting in the urinary meatus positioned on the dorsal surface of the penis; in the female, the meatus opens dorsal to the clitoris
Term
glomerulonephritis
Definition
inflammation of the glomeruli within a kidney
Term
hydronephrosis
Definition
condition of water in a kidney
Term
hypospadias
Definition
a congenital defect in which the urinary meatus opens on the underside of the penis; in the female, its opening is within the vagina
Term
incontinence
Definition
the involutary discharge of urine, which may also refer to the inability to prevent the discharge of feces
Term
nephritis
Definition
inflammation of a kidney
Term
nephroblastoma
Definition
tumor originating from a kidney that includes developing embryonic cells; Wilms' tumor
Term
nephrohypertrophy
Definition
excessive development of a kidney, resulting in an abnormal growth in size
Term
nephrolithiasis
Definition
presence of one or more stones is a kidney
Term
nephroma
Definition
tumor originating from a kidney
Term
nephromegaly
Definition
enlargement of a kidney
Term
nephroptosis
Definition
condition of a drooped kidney position, which occurs when the kidney is no longer held in its proper position; floating kidney
Term
polycystic kidney
Definition
a kidney condition characterized by the presencre of many polyps, resulting in the loss of functional tissue
Term
pyelitis
Definition
inflammation of the renal pelvis
Term
pyelonephritis
Definition
inflammation of  the renal pelvis and nephrons
Term
renal caculi
Definition
stones in the kidney (in the renal pelvis)
Term
renal hypertension
Definition
elevated BP caused by kidney disease
Term
stricture
Definition
abnormal narrowing, as in urethral stricture
Term

uremia

Definition
an excess of urea and other nitrogenous wastes in the blood, caused by failure of the kidneys to remove urea during urine formation
Term
ureteritis
Definition
inflammation of a ureter
Term
ureterocele
Definition
protrusion of a ureter
Term

ureterolithiasis

 

Definition
presence of stone(s) in a ureter
Term
ureterostenosis
Definition
conditioned of a narrowed ureter
Term
urethrocystitis
Definition
inflammation of the urethra and urinary bladder
Term
urinary retention
Definition
abnormal accumulation of urine in the urinary bladder resulting from an inability to void (urinate)
Term
urinary suppression
Definition
an acute stoppage of urine formation by the kidneys
Term
urinary tract infection (UTI)
Definition
infection of urinary organs, usually the urethra and bladder
Term
blood urea nitrogen (BUN)
Definition
a clinical lab test that measures urea concentration in sample of blood as an indicator of kidney function
Term
creatinine
Definition
a protein that is a normal component of urine, as a result of muscle metabolism
Term
cystectomy
Definition
excision of the urinary bladder
Term
cystography
Definition
x-ray technique of imaging the urinary bladder
Term
cystolithotomy
Definition
incision into the urinary bladder to remove a stone
Term
cystoplasty
Definition
surgical repair of the urinary bladder
Term
cystopyelography
Definition
x-ray technique that images the urinary bladder and renal pelvis
Term
cystorrhaphy
Definition
suturing of the urinary bladder wall
Term
cystoscopy
Definition
used of a cystoscope to visually examine the urinary bladder
Term
cystostomy
Definition
surgical creation of an artificial opening into the urinary bladder to provide an alternate exit pathway for urine
Term
cystotomy
Definition
incision into the urinary bladder; vesicotomy
Term
cystoureterography
Definition
x-ray technique imaging the urinary bladder and ureters
Term
cystourethrography
Definition
x-ray technique imaging the urinary bladder and the urethra
Term
fulguration
Definition

a surgical procedure that destroys living tissue with an electrical spark

 

Term
hemodialysis (HD)
Definition
procedure that removes nitrogenous wastes and excess ions from the blood
Term
kidney, ureter and bladder x-ray (KUB)
Definition
an x-ray procedure that images the abdomen
Term
lithotripsy
Definition
surgical technique that crushes stones
Term
lysis
Definition
a gradual reduction of symptoms of an acute diseases, or the destructions of RBCs or bacteria
Term
meatoscopy
Definition
use of a meatoscope to visually examine the urinary meatus
Term
meatotomy
Definition
an incision made to enlarge the urinary meatus
Term
nephrectomy
Definition
excision of a kidney
Term
nephrography
Definition
an x-ray technique imaging a kidney
Term
nephrolysis
Definition
freeing of the kidney from inflammatory adhesions
Term
nephropexy
Definition
surgical fixation of an abnormally mobile kidney
Term
nephroscopy
Definition
use of a nephroscope to visually examine the kidney
Term
nephrosonography
Definition
an ultrasound procedure in which a kidney is imaged with the use of sound waves
Term
nephrostomy
Definition

surgical creation of an artificial opening into the kidney, between the renal pelvis and the kidney exterior

Term
nephrotomography
Definition
x-ray technique imaging the kidney using sectional x-ray exposures
Term
peritoneal dialysis
Definition
a procedure in which toxic wastes are removes from the peritoneal cavity reservoir by artificial filtration
Term
pyelithotomy
Definition
incision into the renal pelvis to remove a stone
Term
pyelogram
Definition
x-ray image of the renal pelvis
Term
retrograde pyelogram (RP)
Definition
a contrast medium is injected into the urethra using a cystoscope and the x-ray moves in a direction opposite from the norm, in an effort to detect the presence of stones or other obstructions
Term
intravenous pyelogram (IVP)
Definition
iodine is used as the contrast medium and is injected into the bloodstream
Term
pyeloplasty
Definition
surgical repair of the renal pelvis
Term
pyelostomy
Definition
surgical creation of an artificial opening into the renal pelvis to provide an alternate exit route for urine
Term
renal transplant
Definition
a surgical procedure in which a donor kidney is implanted to replace a nonfunctional kidney
Term
renography
Definition
a nuclear medicine test using a radioactive substance to highlight internal aspects of a kidney
Term
specific gravity (SG)
Definition
the relative concentration of water molecules in a liquid sample
Term
ureterectomy
Definition
excision of a ureter
Term
ureterogram
Definition
x-ray image of tehe ureters
Term
ureterostomy
Definition
surgical creation of an artificial opening through the ureter to provide an alternate exit route for urine
Term
ureterotomy
Definition
incision into the wall of a ureter
Term
urethropexy
Definition
surgical fixation of the urethra to correct stress incontinence
Term
urethroplasty
Definition
surgical repair of the urethra
Term
urethroscopy
Definition
use of an urethroscope to visually examine the urethra
Term
urethrostomy
Definition
surgical creation of an artificial opening into the urethra to establish an alternate exit for route
Term
urethrotomy
Definition
incision into the urethra
Term
urinalysis (UA)
Definition

clinical lab tests performed on a urine specimen

Term
urinary catheterization
Definition
insertion of a catheter, a flexible tube for channeling fluids into the urinary bladder to drain urine
Term
urinary endoscopy
Definition
the use of an endoscope to view internal structures of the urinary system
Term
urinometer
Definition
instrument that measures the water density of urine, a value known as specific gravity
Term
vesicourethral suspension
Definition
a surgery performed to stabilize the urinary bladder position as a treatment for stress incontinence
Term
cath
Definition
catheter; catheterization
Term
VCUG
Definition
voiding cystourethrogram
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