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Urinary system

Chapter 6 midical term.

arteriole Small artery
calyx or calix Cup-like collecting region of the renal pelvis
catheter tube for injecting or removing fluids
cortex outer region of an organ; the renal cortex is the outer region of the kidney
cortical pertiaining to the cortex
creatinine nitrogenous waste excerted in urine.
Creatine clearance a measure of the efficiency of the kidneys in removing (clearing) creatinine from the blood
electrolyte chemical elemnt that carries an electrical charge when dissolved in water. Electrolytes are necassary for functioning of muscles and nerves.
What do kidneys do The kidneys maintain the proper balance of electrolytes and water in the blood.
Erythopoieten (EPO) Hormone secreted by the kidney to stimulate the production of red blood cells by bone marrow.
-poieten a substance that forms
filteration process whereby some substances,but not at all, pass through a filter.
glomerular capsule enclosing structure surrounding each glomerulus
what does glomerular capsule do? it collects the material that is filtered from the blood through walls of the glomerulus
glomerulus tiny ball capillaries (microscopic clood vessels) in the kidney
hilum depression in an organ where blood vessels and nerves enter and leave
kidney one of two bean-shaped organs on either side of the backbone in the lumbar region; it filters nitrogenous wastes from the bloodstream to form urine.
meatus opening or canal
medulla inner region of an organ
renal medulla inner region of the kidney
medullary pertaining to medulla
nephron combination of glomerulus and renal tubule where filteration, reabsorption, and secretion take place in the kidney.
nitrogenous waste substance containing nitrogen and excreted urine
potassium (k+) an electrolyte regulated by the kidney so that a proper concentration is maintained within the blood.
reabsorption process whereby renal tubules return materials necessary to the body back into the bloodstream.
renal artery blood vessel that carries blood to the kidney
renal pelvis central collecting region in the kidney
renal tubule microsopic tubes in the kidney where urine is formed after filteration
renal vein blood vessel that carries blood away from the kidney and toward the heart
renin hormone secreted by the kidney; it raises blood pressure by influencing vasoconstruction (narrowing of blood vessels.
sodium (Na+) an electrolyte regulated in the blood and urine by the kidneys; needed for proper tranmission of nerve impulses, heart activity, and other metabolic functions
trigone triangular area in the urinary bladder
urea malor nitrogenous waste excerted in urine
ureter on of the two tubes leading from the kidneys to the urinary bladder
urethra tube leading from the urinary bladder to the outside of the body
uric acid nitrogenous waste excreted in the urine
urinary bladder hollow, muscular sac that holds and stores urine
urination process of expelling urine; also called micturition
cali/, calic/o calyx (calix)
cyst/o urinary bladder
glomerul/o glomerulus
meat/o meatus
nephr/o kidney
pyel/o renal pelvis
ren/o kidney
trigon/o trigone (region of bladder)
ureter/o ureter
urethr/o urethra
vesic/o urinary bladder
albumin/o albumin (a protein in blood)
azot/o nitrogen
bacteri/o bacteria
dips/o thirst
kal/o potassium
ket/o, kent/o ketone bodies (ketoacidsand acetone)
lith/0 stone
natr/o sodium
noct/o night
olig/o scanty
pus py/o
crushing -tripsy
urine ur/o
urin/o urine
-uria urination; urine condition
glomerulonephritis inflammation of the glomeruli within the kidney
interstitial nephritis inflammetion of the connective tissue that lies between renal tubules
nephrolithiasis kidney stones
nephrotic syndrome group of clinical signs and symptoms caused by excessive protein loss in urine
polycystic kidney disease (PKD) multiple fluid- filled sacs (cysts) within and on the kidney
pyelonephritis inflammation of the lining of the renal pelvis and renal parenchyma
renal cell carcinoma (hypernephroma) Cancerous tumor of the kidney in adulthood
renal failure kidney decreases excretion of wastes as a result of impaired filteration function
renal hypertension high blood pressure resulting from kidney disease
wilmus tumor malignant tumor of the kidney occuring in childhood
bladder cancer malignant tumor of the urinary bladder
diabetes insipidus antidiuretic hormone is not secreted adequately, or the kidney is resistant to its effect
diabetes mellitus insulin is not secreted adequately or not used properly in the body.
lab test for blood urea notrogen (BUN) measurement of urea levels in blood
creatinine clearance measurement of the rate at which creatinine is cleared from the blood by the kidney
CT scan X-ray images show multiple cross-sectional and other views of organs and tissues
kidneys, ureters, and bladder (KUB) X-ray examination (without contrast) of the kidneys, ureters, and bladder
renal angiography X-ray examination (with contrast) of the blood vessels of the kidney
retrograde pyelogram (RP) X-ray imaging of the renal pelvis and ureters after injection of contrast through a urinary catheter into the ureters from the bladder
voiding cystourethrogram (VCUG) X-ray record (with contrast) of the urinary bladder and urethra obtained while the patient is voiding
ultrasonography imaging of the urinary tract structures using high-frequency sound waves
radioisotope scan image of the kidney after injectibg a radioactive substance (radioisotope) into bloodstream
magnetic resonance imaging (MRI) changing magnetic field produces images of the kidneys and surrounding structures in three planes of the body
cystoscopy direct visualization of the urethra and urinary bladder with an endoscope
lithotripsy Urinary tract stones are crushed
renal angioplasty dilation of narrowed areas in renal arteries
renal biopsy removal of kidney tissue for microscopic examination
renal transplantation surgical tranfer of a kidney from a donor to a recipient
urinary catheterization passage of a flexible, tubular intrument through the urethra into the urinary bladder.
Created by: 100000555639932