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LMU - HHSC 198 Ch6

Urinary System

Amino acid The basic building block for protein
Ammonia Toxic breakdown product of amino acids
Bladder Hollow sac that holds fluid
Kidney Organ of excretion
Nephr/o kidney (ex. Nephrology)
Ren- Kidney (ex. renal)
Urea End product of nitrogen metabolism
Urethra Canal leading from bladder to outside
Ureter Tube that connects kidney to the urinary bladder
Urine Fluid and dissolved substances excreted by kidney
Ur/o Urinary System
Location of Left Kidney Behind spleen
Location of Right Kidney Behind and below liver
3 regions of kidney Cortex Medulla Pelvis
Cortex of Kidney Contains about a million nephrons The basic filtration unit of the kidney
Medulla of Kidney Contains the collecting ducts which form papillary ducts, that enter into a calyx
Pelvis of Kidney Funnel shaped structure that the calyces go into and turns into the ureter
Glomerular capsule is also known as (glomeruli) The Bowman capsule
T/F The glomerular capsule is permeable (glomeruli) T
The glomerulus is a network of (glomeruli) Approximately 50 capilaries
The loop of Henle is also called______ It does_______ The nephron loop. It is part of the renal tubule where reabsorption occurs
Filtrate entering the renal tubule contains Water, urea, glucose, electrolytes, amino acids, and vitamins
As the filtrate passes down the renal tubule, over ___% of the water is returned to the blood by reabsorption 90%
Urine consists of Excess water, electrolytes, and urea
Calyx (Calyces) Funnel-shaped structure
Cortex (Cortices) Outer portion of an organ
Hilium (Hila) Part where nerves and blood vessels enter and leave an organ
Nephron Filtration unit of the kidney glomerulus + renal tubule
Permeable Semipermeable Impermeable Allowing passage of substance through a membrane. Freely permeable to water but not to solutes. When nothing is allowed passage
Renin Enzyme secreted by kidney that causes vasoconstriction
Nephrolithiasis Kidney Stones
Calculus (Calculi) Small stone
Extracorporeal Extra- outside -corpor/e body -al pertaining to Outside of the body
Created by: 688492027