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Mod E Unit 2 Terminology
Anatomy of the Urinary System
77
Health Care
Not Applicable
10/26/2012

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Term
azotemia,
uremia
Definition
Nitrogenous waste that accumulates in the blood.
Term
erythropoietin
Definition
Hormone responsible for red blood cell production.
Term
excretory system
Definition
Urinary system
Term
renin
Definition
Hormone that controls blood pressure.
Term
urinary system
Definition
Body system that eliminates waste in the body and maintains homeostasis.
Term
aldosterone
Definition
Hormone that increases sodium reabsorption.
Term
antidiuretic hormone (ADH)
Definition
Hormone that reduces urine production.
Term
Bowman's capsule
Definition
C-shaped structure surrounding the glomerulus.
Term
Calyces
Definition
Cuplike edges of the renal pelvis that collect urine.
Term
capsule
Definition
A container
Term
cortex
Definition
Outer layer
Term
filtration
Definition
Process by which substances are removed by passing through a membrane.
Term
glomerulus
Definition
Group of capillaries that filter blood in the nephrons of the kidney.
Term
hilum
Definition
Depression where blood vessels, nerves, and the ureter enter and exit the kidney.
Term
kidney
Definition
Organ in the urinary system that produces urine.
Term
Loop of Henle
Definition
Part of the tubular collection system in the nephron.
Term
medulla
Definition
Inner portion of and organ
Term
nephron
Definition
Functioning unit of the kidney
Term
pyramids
Definition
Sections in the kidneys that contain the tubules.
Term
renal artery
Definition
Artery that takes blood into the kidney
Term
renal pelvis
Definition
Collecting area for urine at the proximal end or the ureter
Term
retroperitoneal
Definition
Behind the peritoneum
Term
solute
Definition
Substance dissolved in a liquid or semisolid substance.
Term
urea
Definition
Nitrogen waste product excreted in the urine
Term
urine
Definition
Liquid and dissolved substances excreted by the kidneys
Term
renal calculi
Definition
Kidney stone made of mineral salts
Term
ureters
Definition
Pair of tubes that carry urine from the kidneys to the bladder.
Term
urinary reflux
Definition
Backflow of urine from the bladder into the ureters during urination
Term
urination
Definition
micturation, voiding
Term
micturation reflex
Definition
Nerve stimulation that allows urine to leave the bladder.
Term
rugae
Definition
Muscular folds that allow organs to expand
Term
trigone
Definition
Triangular area in the bladder formed by the entrance of ureters and exit of urethra.
Term
urinary bladder
Definition
Hollow muscular organ that holds urine.
Term
urination
Definition
Process of excreting urine
Term
meatus
Definition
Opening to the outside of the body
Term
semen
Definition
Fluid of the male reproductive system
Term
urethra
Definition
Canal that transports urine from the bladder to the outside of the body.
Term
albuminuria
Definition
Presence of large amounts of serum albumin & other proteins in the urine
Term
anuresis
Definition
Condition of no urine production
Term
bacteriuria
Definition
Bacteria in the urine
Term
diuresis
Definition
Increased urine production
Term
dysuria
Definition
Painful or difficult urination
Term
enuresis
Definition
Bedwetting
Term
frequency
Definition
Increase in number of times a person urinates
Term
glycosuria
Definition
Glucose in the urine
Term
hematuria
Definition
Blood in the urine
Term
incontinence
Definition
Inability to hold urine due to loss of sphincter control.
Term
ketonuria
Definition
Ketones in the urine
Term
nocturia
Definition
Excessive urination at night
Term
oliguria
Definition
Diminished urine output
Term
polydipsia
Definition
Excessive thirst
Term
polyuria
Definition
Excretion of abnormally large amounts of urine
Term
proteinuria
Definition
Excess protein in the urine
Term
pyuria
Definition
Pus in the urine
Term
retention
Definition
Inability to empty the bladder fully
Term
urgency
Definition
Needing to urinate immediately
Term
blood urea nitrogen (BUN)
Definition
Blood test that measures the amount of nitrogenous waste in the circulatory system.
Term
creatinine clearance test
Definition
Test that measures the rate at which nitrogenous waste is removed from the blood.
Term
cystoscopy
Definition
Visual exam of the urinary bladder
Term
intravenous pyelography (IVP)
Definition
Imaging of the kidneys, ureters, and bladder with a contrast medium.
Term
kidneys, ureters, and bladder (KUB)
Definition
Imaging of the kidneys, ureters, and bladder without contrast medium.
Term
nephrologist
Definition
Specialist who is concerned with kidneys structure and function.
Term
renal computed tomography
Definition
Imaging that shows a transverse view of the kidney
Term
urinalysis
Definition
Physical, chemical, and microscopic exam of the urine
Term
urologist
Definition
Specialist in the treatment of diseases of the kidneys, urinary tract, and male reproductive organs.
Term
acute renal failure (ARF)
Definition
Renal failure occurring suddenly
Term
chronic renal failure (CRF)
Definition
Renal failure resulting from long-term inability to excrete waste products.
Term
cystitis
Definition
Inflammation of the urinary bladder
Term
Dialysis
Definition
Process used to clean the blood of toxins.
Term
diuretics
Definition
Medication that causes increased urine excretion
Term
glomerulonephritis
Definition
Inflamation of the glomeruli of the nephron.
Term
hemodialysis
Definition
An artificial kidney machine filters a patient's blood before returning it back to the body.
Term
kidney transplant
Definition
Donor kidney replaces the non-working kidney of a patient
Term
peritoneal dialysis
Definition
A solution is passed through the patient's peritoneal cavity and drained to remove waste products that the kidney cannot excrete.
Term
polycystic kidney
Definition
Replacement of kidney tissue with marble-like cysts.
Term
pyelonephritis
Definition
Inflammation of the renal pelvis and nephron
Term
renal failure
Definition
Progressive loss of nephrons that results in loss of renal function
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