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16 Cards in this Set

  • Front
  • Back
What is homeostasis?
the process by which a stable internal environment within an organism is maintained
maintenance of a water and solute balance
removal of metabolic waste products
maintenance of a constant internal body temperature
What are the primary homeostatic organs in mammals?
kidneys, liver, large intestine and skin
regulate the concentration of salt and water in the blood through the formation and excretion of urine
Where are the kidneys located?
behind the stomach and liver
1 Million of what are found in a kidney?
Into what regions is the kidney divided?
cortex, medulla and pelvis
Through what artery does blood enter the kidney?
renal artery
What does the renal artery divide into?
afferent arterioles that run through the medulla and into the cortex
Each afferent arteriole branches into what?
a convoluted network of paillaries called a glomerulus
After the glomerulus, what do the capillaries converge into?
efferent arteriole
What does the efferent arteriole divide into?
vasa recta
vasa recta
fine capillary network
What does the vasa recta do
enmeshes the nephron tubule and then converges into the renal vein