The parents of a two-year-old son turned to the pediatrician with complaints that their child had become moody, irritable, and did not eat well. There was sweating, an unstable feces. On examination the compliance of the bones of the skull and the deformation of the chest were observed. In the biochemical analysis of blood the level of total calcium is 1.57 mmol/l (the norm of 2.3-2.8 mmol/l). The child received good nutrition and was often in the sun.

Preliminary diagnosisRickets

What hormone does regulate Ca reabsorption calcitriol and PTH

Calcitriol.Synthesis,chemicalstructure,functions.3stepskin,liver,kidney.steroid.calcium resabsorptin from intsetine

What is the role of 1 - alpha - hydroxylase in calcitriol synthesis it convert vitamin D2 into D3 or active form of vitamin D.