Urinary System
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Amino acid | The basic building block for protein
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Ammonia | Toxic breakdown product of amino acids
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Bladder | Hollow sac that holds fluid
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Kidney | Organ of excretion
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Nephr/o | kidney (ex. Nephrology)
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Ren- | Kidney (ex. renal)
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Urea | End product of nitrogen metabolism
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Urethra | Canal leading from bladder to outside
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Ureter | Tube that connects kidney to the urinary bladder
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Urine | Fluid and dissolved substances excreted by kidney
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Ur/o | Urinary System
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Location of Left Kidney | Behind spleen
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Location of Right Kidney | Behind and below liver
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3 regions of kidney | Cortex
Medulla
Pelvis
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Cortex of Kidney | Contains about a million nephrons
The basic filtration unit of the kidney
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Medulla of Kidney | Contains the collecting ducts which form papillary ducts, that enter into a calyx
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Pelvis of Kidney | Funnel shaped structure that the calyces go into and turns into the ureter
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Glomerular capsule is also known as (glomeruli) | The Bowman capsule
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T/F The glomerular capsule is permeable (glomeruli) | T
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The glomerulus is a network of (glomeruli) | Approximately 50 capilaries
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The loop of Henle is also called______ It does_______ | The nephron loop.
It is part of the renal tubule where reabsorption occurs
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Filtrate entering the renal tubule contains | Water, urea, glucose, electrolytes, amino acids, and vitamins
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As the filtrate passes down the renal tubule, over ___% of the water is returned to the blood by reabsorption | 90%
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Urine consists of | Excess water, electrolytes, and urea
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Calyx (Calyces) | Funnel-shaped structure
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Cortex (Cortices) | Outer portion of an organ
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Hilium (Hila) | Part where nerves and blood vessels enter and leave an organ
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Nephron | Filtration unit of the kidney
glomerulus + renal tubule
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Permeable Semipermeable Impermeable | Allowing passage of substance through a membrane.
Freely permeable to water but not to solutes.
When nothing is allowed passage
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Renin | Enzyme secreted by kidney that causes vasoconstriction
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Nephrolithiasis | Kidney Stones
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Calculus (Calculi) | Small stone
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Extracorporeal | Extra- outside
-corpor/e body
-al pertaining to
Outside of the body
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