Chapter 7.6, Problem 18WDYL

Summary Introduction

To determine:

The organs involved in activation of Vitamin ${\text{D}}_{\text{3}}$ to calcitriol.

Concept introduction:

The Vitamin ${\text{D}}_{\text{3}}$ is a fat-soluble vitamin, which regulates mineral levels in the body. The Vitamin ${\text{D}}_{\text{3}}$ is present in smaller quantities in the food items, but most of the Vitamin ${\text{D}}_{\text{3}}$ is derived from the exposure to sunlight.