Urinary/Renal system
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What is the order of the parts of the nephron
• Afferent arteriole • glomerulus • bowmans capsule • proximal tubule • descending limb of loop of Henle • Ascending limb of loop of Henle • distal tubule • collecting tubules
Approx how much blood flows through the kidneys per minute?
1200 mls
3 things about the kindeys
• the kidneys are usually located next to the vertebrae from T12 to L3 • the kidney is retroperitoneal • the kidney is protected by a heavy layer of fat
what substance most often measures kidney function?
creatinine
in an average bladder, what amount of urine would cause a moderately distending sensation and desire to viod?
250 mls
the mechanism for voiding starts with…
the relaxation of the internal sphinter
what hormone tends to increase the amount of urine produced?
ANP
what hormone tends to decrease the amount of urine produced?
aldosterone and ADH
the urine is conducted from the kidney to the urinary bladder though a tube called…
ureter
what are the folds in the bladder wall called?
rugae
what type of epithelium does the bladder have to aid in distention?
transitional epithelium
what is micturition?
voiding urine
what causes the yellowish pigment of urine?
breakdown of old red blood cells