DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Light micrograph (LM) of Vitamin A crystals. Vitamin A (retinol or retinoic acid) is fat-soluble (lipophilic) vitamin essential for the synthesis of pigments in the eye. It aids new cell growth and skin health. It also appears to reduce the risk of cancer. Magnification: x40 when shortest axis printed at 25 millimetres.
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