Vitamin D3

Vitamin D3

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Credit: DR TIM EVANS/SCIENCE PHOTO LIBRARY

Caption: Vitamin D3. Computer model of a molecule of vitamin D3 (cholecalciferol). Atoms are represented as rods and are colour-coded: carbon (green), hydrogen (pink) and oxygen (red). This is the form of vitamin D produced in the human body by the action of sunlight on skin. Vitamin D is fat- soluble and also found in foods such as oily fish, milk liver and egg yolk. Vitamin D is necessary for the absorption of calcium and phosphorous in the gut. Deficiencies in vitamin D lead to rickets (improper bone formation) in children, and osteomalacia (bone softening) and osteoporosis (brittle bone disease) in adults.

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Keywords: artwork, biochemical, biochemistry, bone formation, chemical, chemistry, cholecalciferol, compound, compounds, computer artwork, computer model, diet, dietary, fat-soluble, illustration, medical, medicine, molecular, molecular model, molecule, molecules, one, rod, rods, single, structure, vitamin, vitamin d, vitamin d3

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