Maddie Robinson Chapter 14- Urinary System
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32 Terms
functions of the urinary system
maintain water balance
maintain salt balance
maintain pH [H+] ions
excretes metabolic waste product
urea
breakdown of old proteins
uric acid
breakdown of nucleic acid
4 regions of urinary system
kidneys, ureters, urethra, urinary bladder
function of kidneys
filter blood
where are kidneys located
retroperitoneally; behind peritoneum (abdomen wall)
renal medulla
inner part
renal cortex
outside area; nephrons are located
renal hilium
where arteries and veins and ureter go through
nephrons
main functional unit of the kidney
bowman’s capsule
glomerular capsule; fluid filtered out
proximal convoluted tubule
“good stuff” reabsorbed —> sugar/amino acids
loop of henle
nephron loop
distal convoluted tubule
urine goes to urine collecting ducts and then to ureter
urine collecting ducts
urine collected
ureters
10 inches long
urine from kidneys to bladder via peristalsis
urinary bladder
hollow
behind pubis
transitional epithelium (changes)
micturition
peeing
urethra
urine from bladder to body surface
male urethra description
8 inches
urine and semen
3 regions
female urethra description
1 inch
interior to vagina
three regions of male urethra
prostatic
membranous
cavernous
urethritis
inflammation of urethra
kidney agenesis
failure of kidney development
glomerulnephritis
inflammation of glomerular capsule
kidney stones
built up calcium oxalates
obstructs flow of urine in the urethra
painful peeing
cystitis
inflammation of urinary bladder
dysuria
painful urination
ureteral stenosis
narrowing of ureter
urethral stenosis
narrowing of urethra
color of kidneys
reddish brown
UTI
urinary tract infection