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28
Warroad High School anatomy barker chapter 28
25
Anatomy
11th Grade
04/13/2011

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Term
renal pyramids
Definition
triangular wedges of medullary tissue
Term
renal artery
Definition
which artery brings blood to the kidney
Term
ureter
Definition
this delivers urine from the kidney to the bladder
Term
bladder
Definition
collapsible bag behind the pubic symphysis
Term
urethra
Definition
this structure is part of both the urinary and reproductive systems
Term
renal corpuscle
proximal convoluted tubule
loop of henle
distal convoluted tubule
collecting duct
Definition
each nephron contains
Term
bowman's capsule
Definition
the cub shaped part of the nephron
Term
glomerulus
Definition
network of capillaries in the bowman's capsule
Term
proximal tubule
Definition
this portion of the nephron has thousands of microvilli
Term
loop of henle
Definition
portion of the nephron that has a descending limb, sharp turn and ascending limb
Term
distal tubule
Definition
portion of the nephron that contains mechanoreceptors called juxtoglomular cells
Term
collecting ducts
Definition
many of these form the renal pyramids
Term
potassium
sodium
chloride
urea
Definition
if the kidney fail, there wont be sufficient amounts of ?
Term
filtration
Definition
this occurs in the renal corpuscle because of a gradient
Term
proximal tubule
Definition
more than 2/3 of filtrate is reabsorbed in this location
Term
reabsorption
Definition
movement of molecules into the blood
Term
secretion
Definition
movement of molecules out of the blood
Term
urea
Definition
nitrogen containing waste
Term
countercurrent mechanism
Definition
contents flow in opposite direction in loop of henle
Term
antidiuretic hormone
Definition
which hormone causes the distal tubule and collecting ducts to be more permeable
Term
sodium
Definition
this ion causes a positive electrical gradient which draws ions of chloride and phosphate into blood
Term
hypertonic
Definition
when ions increase in blood it causes blood to become what in terms of osmosis to the tubule
Term
glucose
amino acids
Definition
which two macromolecules are reabsorbed due to active transport termed sodium cotransport
Term
ascending limb
Definition
in this location of the loop of henle, ions are pumped out, water stays in
Term
100mOsm
Definition
osmolar concentration after the loop of henle
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