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Chapter 16 Vocabulary Concept Map
6
Urinary System
excretion - removal of metabolic wastes
urea - by-product of amino acid metabolism
Chapter 16 Vocabulary Concept Map
erythropoietin - horomone produced by the kidneys
prostate gland - encircles the urethra
Kidneys
Ureters
Urinary Bladder
Urethra
Anthony Malachowski
The Urinary System & Excretion
Kidneys
renal artery
renal vein
enter and exit the kidney
renal cortex - outer layer of the kidney
renal medulla - renal pyramids
Atrial Natriuretic Hormone
renal pelvis - central cavity
secreted by the atria of the heart when blood volume is high
Diuretics
chemicals that increase the flow of urine
Buffer
chemical that can take up excess H+ and Oh- ions
Hemodialysis
Nephron
utilizes an artifical kidney machine
glomerulus - knot of capillaries
glomerular capsule (Bowman's Capsule)
Glomerular filtration - whole blood enters the glomerulus and is filtered
Loop of Henle - the "U-turn" in the filtration process
Electrolytes
Tubular Reabsorption
compounds and molecules that ionize and carry an electrical current
occurs in the Proximal Convuluted Tube where molecules and ions are reclaimed from the filtrate
Aldosterone
Tubular Secretion
hormone that promotes the excretion of K+ ions and the reabsorption of Na+
substances are removed from the blood
Renin
enzyme that changes angiotensinogen into angiotensin I
Antiduretic Hormone (ADH)
causes water to be reabsorbed at the collecting duct and decreases the amount of urine