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What are the functions of the urinary system?
removes wastes, balances fluids/electrolytes, regulates pH, controls blood pressure
What is urea?
waste from protein breakdown made in liver
What is uric acid?
waste from nucleic acid breakdown
What are the four regions of the urinary system?
kidneys, ureters, bladder, urethra
What is the function of the kidneys?
filter blood and make urine
What color are the kidneys?
reddish-brown
Where are the kidneys located?
back of abdomen on either side of spine
What is the renal medulla?
inner region with pyramids
What is the renal cortex?
outer region of kidney
What is the renal hilium?
entry/exit site for vessels and ureter
What are the nephrons?
functional filtering units of kidney
What is Bowman's capsule?
cup that collects filtrate from glomerulus
What is the proximal convoluted tubule?
reabsorbs most nutrients, water, ions
What is the loop of henle?
creates concentration gradient to conserve water
What is the Distal convulted tubule?
adjusts ions and pH
What are the urine collecting ducts?
carry urine to renal pelvis
What are the ureters?
tubes that carry urine to bladder
What is the urinary bladder?
stores urine
What is micturition?
urination
What is the urethra?
tube that carries urine out of body
How is the male urethra described?
long, passes through prostate and penis
How is the female urethra described?
short, opens anterior to vagina
What are the three regions of the male urethra?
prostatic, membranous, penile
What is urethritis?
inflammation of urethra
What is kidney agenesis?
missing one or both kidneys at birth
What is glomerulonephritis?
inflammation of kidney filtering units
What are kidney stones?
hard mineral deposits in kidneys
What is cystitis?
bladder inflammation
What is dysuria?
painful urination
What is ureteral stenosis?
narrowing of ureter
What is urethral stenosis?
narrowing of urethra
What is a UTI?
infection anywhere in urinary tract