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 | Definition 
 
        | Promotes Ca2+ and phospahte ion absorbtion ialong digestive tract |  | 
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        | Stimulates osteoblast activity and synthesis of bone matrix |  | 
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        | w/ growth hormone. Stimulates osteoblast activity and synthesis of bone matrix |  | 
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 | Definition 
 
        | Stimulates osteoblast activity and synthesis of bone matrix |  | 
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 | Definition 
 
        | Stimulates osteoclast (and blasts) activity Elevates Ca2+ concentration in body fluids
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 | Definition 
 
        | Inhibits osteoclast activity, promotes ca2+ loss at kidneys, reduce ca2+ ion concentration in body fluids. |  | 
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        | PTH + calitriol: rate of intestinal absorbtion increase |  | Definition 
 
        | I:Factor that increases blood Ca2+ levels |  | 
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        | Term 
 | Definition 
 
        | k:Factor that increases blood Ca2+ levels |  | 
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        | PTH- Osteoclasts stimulated to relase stored ca2+ ions from bone |  | Definition 
 
        | Bone: Factor that increases blood Ca2+ levels |  | 
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 | Definition 
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        | decreased PTH + calitriol: rate of intestinal absorbtion decreases |  | Definition 
 
        | I:Factor that decrease blood Ca2+ levels |  | 
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        | Term 
 | Definition 
 
        | K:Factor that decrease blood Ca2+ levels |  | 
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        | Calcatonin + Osteoclasts inhibited while osteoblasts continue to lock ca2+ ions in bone matrix
 |  | Definition 
 
        | Bone: Factor that decrease blood Ca2+ levels |  | 
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