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Mod E, Unit 2, Theory Study Guide – Chapter 4
Mod E, Unit 2, Theory Study Guide – Chapter 4
32
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02/04/2013

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Term
Albuminuria
Definition
AKA Proteinuria. Presence of large amounts of serum albumin and other proteins in the urine.
Term
Anuresis
Definition
AKA Anuria. Stopping of urine production or output of less than 100 mL/day.
Term
Blood Urea Nitrogen
Definition
AKA BUN. Blood test that measures the amount of nitrogenous waste is removed from the blood by comparing its concentration in the blood & urine over a 24-hour period.
Term
Bowman’s Capsule
Definition
C-shaped structure surrounding the glomerulus.
Term
Calyces
Definition
Singular Form Calyx. Cup-like edges of the renal pelvis that collect urine.
Term
Cystitis
Definition
Inflammation of the urinary bladder.
Term
Dialysis
Definition
Process used to clean the blood of toxins. Can be done indefinitely until a new kidney is transplanted, but is not a cure.
Term
Enuresis
Definition
AKA Bedwetting. Involuntary discharge of urine after the age when bladder control is expected.
Term
Glumerulonephritis
Definition
Inflammation of the glomeruli of the nephron.
Term
Glomerulus
Definition
Group of capillaries responsible for filtering blood in the nephrons of the kidney.
Term
Glycosuria
Definition
Presence of glucose in the urine.
Term
Hematuria
Definition
Presence of blood in the urine.
Term
Hilum
Definition
AKA Hilus or Renal Hilus. Plural form is Hila. Depression where blood vessels, nerves, & the ureter enter & exit the kidney.
Term
Incontinence
Definition
Inability to retain urine because of loss of sphincter control.
Term
Intravenous Pyelography
Definition
AKA IVP, Intravenous Urography, & IVU. Imaging of the kidneys, ureters, & bladder with a contrast medium.
Term
Kidneys
Definition
Organs of the urinary system that produces urine. Are located retroperitoneal. Main areas of the kidney’s internal structure are the cortex, medulla, & renal pelvis.
Term
Nephron
Definition
Functional unit of the kidney.
Term
Nocturia
Definition
Excessive urination at night.
Term
Oliguria
Definition
Diminished/Scanty amount of urine output.
Term
Polycystic Kidney
Definition
Replacement of the kidney tissue with marble-like cysts.
Term
Polydipsia
Definition
Excessive thirst (often seen in diabetic patients).
Term
Polyuria
Definition
Excretion of abnormally large amounts of urine.
Term
Pyelonephritis
Definition
Inflammation of the renal pelvis & nephron, including connective tissue of the kidney.
Term
Pyuria
Definition
Presence of pus in the urine.
Term
Renal Artery
Definition
Artery that takes blood into the kidney.
Term
Renal Calculi
Definition
Kidney Stone
Term
Renal Pelvis
Definition
Collecting area for the urine at the proximal end of the ureter where all the calyces in the kidney converge into.
Term
Urea
Definition
Nitrogen waste product excreted in the urine. An organic compound derived from the breakdown of protein.
Term
Ureters
Definition
Pair of long, muscular tubes attached to each kidney that drains urine from the renal pelvis and carries it to the bladder.
Term
Urethra:
Definition
Membranous canal that transports urine from the bladder to the outside of the body.
Term
Urinary System
Definition
Body system that eliminates waste in the body & maintains water & chemical balance. Consists of 2 kidneys, 2 ureters, a bladder, & a urethra.
Term
Urine
Definition
Liquid & dissolved substances excreted by the kidneys. Adults produce an average of 1.5 to 2.5 liters per day.
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