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Ch 11
Urinary System
64
Medical
Undergraduate 3
11/02/2015

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Term
electrolyte
Definition
Mineral salt (sodium, potassium, or calcium) that carries an electrical charge when in solution
Term
filtrate
Definition
Fluid that passes from the blood through the capillary walls of the glomeruli into Bowman capsule
Term
nitrogenous waste
Definition
Product of protein metabolism that include urea, uric acid, creatine, creatinine, and ammonia.
Term
peristaltic wave
Definition
sequence of rhythmic contraction of smooth muscles of a hollow organ to force material forward and prevent back flow
Term
peritoneum
Definition
Serous membrane that lines the abdominopelvic cavity and covers most of the organs within the cavity.
Term
pH
Definition
Symbol that expresses the alkalinity or acidity of a solution
Term
plasma
Definition
Liquid portion of blood that is filtered by the nephrons to remove dissolved wastes
Term
albumin/o
Definition
albumin, protein
Term
azot/o
Definition
nitrogenous compounds
Term
bacteri/o
Definition
bacteria (singular bacterium)
Term
cyst/o
vesic/o
Definition
bladder
Term
glomerul/o
Definition
glomerulus
Term
kal/i
Definition
potassium (an electrolyte)
Term
keton/o
Definition
ketone bodies (acids and acetones)
Term
lith/o
Definition
stone, calculus
Term
meat/o
Definition
opening, meatus
Term
nephr/o
ren/o
Definition
kidney
Term
noct/o
Definition
night
Term
olig/o
Definition
scanty
Term
py/o
Definition
pus
Term
pyel/o
Definition
renal pelvis
Term
ur/o
Definition
urine, urinary tract
Term
ureter/o
Definition
ureter
Term
urethr/o
Definition
urethra
Term
-genesis
Definition
forming, producing, origin
Term
-iasis
Definition
abnormal condition (produced by something specified)
Term
-uria
Definition
urine
Term
dia-
Definition
through, across
Term
retro-
Definition
backward, behind
Term
anuria
Definition
absence or urine production or output
Term
bladder neck obstruction (BNO)
Definition
Blockage at the base of the bladder that reduces or prevents urine from passing into the urethra
Term
cystocele
Definition
prolapsing or downward displacement of the bladder due to weakening of the supporting tissues between a woman's bladder and vagina
Term
Dysuria
Definition
painful or difficult urination, commonly described as a "burning sensation" while urinating
Term
end-stage renal disease (ESRD)
Definition
Any type of kidney disease in which there is little or no remaining kidney function, requiring the patient to undergo dialysis or kidney transplant for survival
Term
enuresis
Definition
Involuntary discharge of urine; also called incontinence
Term
fistula
Definition
Abnormal passage from a hollow organ to the surface or from one organ to another
Term
hydronephrosis
Definition
abnormal dilation of the renal pelvis and the calyces of one or both kidneys due to
pressure from accumulated urine that cannot flow past an obstruction in the urinary tract
Term
interstitial cystitis
Definition
Chronic inflammation of the bladder wall that is not caused by bacterial infection and is not responsive to conventional abx therapy; also called painful bladder syndrome
Term
nephrotic syndrome
Definition
Loss of large amounts of plasma protein, usually albumin, through urine due to an increased permeability of the glomerular membrane
Term
neurogenic bladder
Definition
impairment of bladder control due to brain or nerve conduction
Term
polycystic kidney disease
Definition
Inherited disease in which sacs of fluid called cysts develop in the kidneys
Term
urgency
Definition
sensation of the need to void immediately
Term
vesicoureteral reflex
Definition
Disorder caused by the failure of urine to pass through the ureters to the bladder, usually due to impairment of the valve between the ureter and bladder or obstruction in the ureter
Term
Wilms Tumor
Definition
Rapidly developing malignant neoplasm of the kidney that usually occurs in children
Term
Dialysis
Definition
Mechanical filtering process used to clear the blood of toxic substances, such as nitrogenous wastes, when kidneys fail to function properly
Term
hemodialysis
Definition
Type of dialysis in which an artificial kidney machine receives waste-filled blood, filters the blood, and returns the dialyzed (clean) blood to the pt's bloodstream
Term
peritoneal dialysis
Definition
Type of dialysis in which toxic substances are removed from the body by using the peritoneal membrane as the filter by perfusing (flushing) the peritoneal cavity with a warm, sterile chemical solution
Term
kidney transplant
Definition
Replacement of a diseased kidney with one that is supplied by a compatible donor (usually a family member or a cadaver who has donated the kidney prior to death)
Term
nephropexy
Definition
Fixation of a floating or mobile kidney
Term
nephrostomy
Definition
The passage of a tube through the skin and into the renal pelvis to drain urine to a collecting receptacle outside of the body when the ureters are unable to do so.
Term
stent placement
Definition
Insertion of a mesh tube into a natural passage conduit in the body to prevent, or counteract a disease-induced, localized flow restriction
Term
ureteral stent placement
Definition
Insertion of a thin narrow tube into the ureter to prevent or treat obstruction of urine flow from the kidney
Term
Urethrotomy
Definition
Incision of a urethral stricture
Term
Electromyography
Definition
Measures the contraction of muscles that control urination using electrodes placed in the rectum and urethra
Term
cystoscopy
Definition
Examination of the urinary bladder for evidence of pathology, obtaining biopsies of tumors or other growths, and removal of polyps using a specialized endoscope
Term
blood urea nitrogen
Definition
Determines the amount of nitrogen in blood that comes from urea, a waste product of protein metabolism
Term
culture and sensitivity
Definition
Determines the causative organism of an infection and identifies how the organism responds to various abx
Term
UA
Definition
Urine screening test that includes physical observation, chemical tests, and microscopic evaluation
Term
Ultrasonography
Definition
High-frequency waves (US) are directed at soft tissue and reflected as "echoes" to produce an image on a monitor of an internal body structure; also called ultrasound, sonography, or echo
Term
bladder ultrasonography
Definition
US produces images of the bladder to measure pre- and postvoid residual urine, thus determining bladder volume and, potentially, identifying incomplete bladder emptying
Term
intravenous pyelography
Definition
Imaging of the urinary tract after IV injection of a contrast medium; also called excretory urography
Term
nuclear scan
Definition
Technique in which a radiopharmaceutical called a tracer is introduced into the body (inhaled, ingested, or injected) and a specialized camera (gamma camera) is used to produce images of organs and structures
Term
renal nuclear scan
Definition
nuclear scan of the kidneys used to determine their size, shape, and position
Term
voiding cystourethrography
Definition
X-ray of the bladder and urethra performed before, during, and after voiding using a contrast medium to enhance imaging
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