Phosphorus Flashcards
is it a trace element, vitamin, or mineral? Phosphorus
mineral
whats is it converted from? Phosphorus
ATPP –> phosphorus
is it the second or first most abundant mineral in the body? Phosphorus
second
what does it do in the bones and teeth? Phosphorus
Hydroxyapatite crystals of bone and teeth
how much are in the bones and teeth? Phosphorus
85-90%
how much are in the muscles? Phosphorus
5-7%
besides the the bones, teeth, and muscles, where else is it in the body? Phosphorus
body fluids
what are the Levels in body controlled by? Phosphorus
excretion, not absorption
how much is absorbed? Phosphorus
70 %
what does Vitamin D & parathyroid hormone do to it? Phosphorus
increases rate of resorption from kidneys
what are its five functions? Phosphorus
Regulates release of energy, Helps absorption & transport of nutrients, Structural, Calcification of bones & teeth, Regulates acid-base balance
what are the details of its function as: Helps absorption & transport of nutrients? Phosphorus
Phosphorylation activates i.e., TPP, PLP
what are the details of its structural function? Phosphorus
Phospholipid membranes
1 g P needed for every 17 g nitrogen retained
is toxicity rare and what causes it? Phosphorus
Rare, except with consumption large quantities of antacids
what are the details of what causes toxicity? Phosphorus
- Kidney disease or too many vitamin D supplements
- Anticonvulsants, phenobarbital
