calcitonin and PTH
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9 Terms
osteoclast
breakdown bone → increase of Ca in plasma
calcitonin targets bone:
inhibits osteoclasts which will inhibit the breakdown of bone and decrease plasma calcium levels
calcitonin targets kidneys:
increase ca excretion which will lower plasma calcium levels
calcitonin targets small intestines
decrease ca absorption by the small intestines which will therefore dec plasma calcium levels
calcitonin net effect
decrease plasma ca level
pth targets bone
activates osteoclasts which will therefore inc. bkdn of bone and increase plasma ca levels
pth targets kidneys
reabsorb ca which will inc plasma ca levels
pth targets small intestines
inc absorption by the small intestines which will therefore inc plasma ca levels
pth net effect
inc [ca] in plasma
Note 
Flashcards (81)