Calcium Homeostasis: Part 1

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Uploaded by on Nov 5, 2009

A freshman/sophomore pre-nursing discussion on how the body maintains homeostasis of calcium. Topics discussed include why calcium is important, what are the names for deviations of concentration below and above homeostatic levels, causes of those deviations, effects of those deviations, and how the major methods the body uses to correct those deviations.

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  • Pls slow down your speech! nice outline.

  • Perfect speed for me, and well explained.

    Cheers!

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All Comments (17)

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  • the speech speed is perfect.. but your annunciation is atrocious.

  • the speed is ok, but I wish the diction and intonation and punctuation were better. in all your videos it sounds like a monotone prayer. how about practicing like Elisa Dolittle in My Fair Lady with marbles in your mouth?

  • you need your bones?

  • Also I think you spelt hypercalcemia. You spelt it hypercalemia?

  • well put diagram and well explained just a bit too fast. Also osteoclasts counteract osteoblasts not osteocytes. Osteocyts are osteoblast that are isolated in the matrix and are no longer referred to as Osteoblasts. Normally all Blast cells are Precursor cells, such as Megaloblasts, erythroblasts and lymphoblasts. Thanks for the effort!!

  • A very interesting and helpful series of videos on osteoporosis can be found on the Megafoodtv. youtube channel.

  • Great video but please can you slow down your speech for further video's. I'm dyslexic and cant keep up.

  • For example in vitro after bioluminescence reaction, aequorin can be regenerated via EDTA and reducing agents to again bind calcium and produce photons, but I don’t know what happens in vivo, whether the cell have heaps of AEQ and deploys some of them every time the neural impulse release calcium or there is a mechanism of calcium detachment from the EF-hand proteins once they are no longer required

    Any advice will be appreciated (v.beltran@aims.gov.au)

    cheers

    VB

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