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Polarised LM of vitamin D crystals

Polarised LM of vitamin D crystals

A613/0271

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51.1 MB (51.0 MB compressed)

4689 x 3809 pixels

39.6 x 32.3 cm ⏐ 15.6 x 12.7 in (300dpi)

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Credit

ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY

Caption

Vitamin D. Polarised light micrograph of crystals of vitamin D. Vitamin D is fat-soluble, and is found in foods such as animal fats, milk, butter and eggs. Vitamin D is also produced by the body when in sunlight or ultraviolet radiation. The absence of vitamin D leads to rickets. It is also used in the treatment of osteomalacia and dental caries. Vitamin D also has a role in digestion, being necessary for the absorption of calcium and phosphorus in the gut. Magnification x35 at 6x7cm size.

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Model release not required. Property release not required.

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