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26 Cards in this Set
- Front
- Back
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Nephron
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functional unit of kidney
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pelvis
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large collecting space in kidney
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cortex
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consists of glomeruli bowmans capsule and tubules
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medulla
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renal pyramids and papilla
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juxtaglomerular cells
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secrete renin, made of modified smooth muscle
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efferent arteriole
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takes blood out of kidneys
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afferent arteriole
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brings blood to kidneys
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podocytes
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visceral part of vascular component of kidney
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pareital layer
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made of simple squamous tissue
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descending limb
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thin limb of loop of henle
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ascending limb
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thick limb of loop of henry
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distal convoluted tubule
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holds macula densa and juxtaglomeraular cells.
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fenestrated epithilium
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has holes to make filtration easier
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proximal convoluted tubule
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absorbs amino acids inorganic ions glucose and water
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aldosterone
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retains sodium gets rid of potassium
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ascending limb (physio)
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sodium and chloride pumped pout but impermeable to water
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descending limb (physio)
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water can be pumped out of this limb
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counter current multiplier
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as more sodium is pumped out of the ascending limb(distal) more water comes out of the descending limb (proximal)
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ADH/ vassopressin
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increases h20 reabsorbtion from collecting ducts
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adrenal cortex
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aldosterone is produced here
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ureter
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carries urine from pelvis to bladder
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effects of aldosterone
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constricts arterioles, increases sodium reabsorbtion in distal tubule, ascending limb
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paraympathetic system
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stimulates urge to pee
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filtration
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removal of waste products such as urea creatine and uric acid.
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glomerus
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filtration occurs here
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purpose of urinary system
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regulates amount of water in body, regulates electrolytes, regulates ph by acid base balance.
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