Rickets; failure of bone minerilization

Pelvic abnormalities

Osteomalacia

decrease in Ca+ absorption

increase in PTH

Function

Regulate Ca+ and P levels 

-intestines: increase Ca+ absorption

-Osteoblasts: increase ca+ to bone

-Skeletal: increase ca+ to muscle

Insulin secretion

treatment of psoriasis

elderly

climate

fat malabsorptive

renal disease

breast feed infants

nausea/vomiting

diarrhea

weakness/headache

hypertension

renal dysfunction

calcification of kidney, heart, lungs,blood vessels