Flower reproductive parts. Coloured SEM (scanning electron micrograph) of the reproductive parts of an unidentified flower. The smooth structure that runs diagonally from lower right to upper left is the upper part of the pistil (female reproductive structure). Seen here is the style (stalk-like) that supports the stigma at its tip. The ovary is not seen as it lies at the base of the pistil. The style is surrounded by the pollen sacs (anthers, male reproductive structures). The protective case that enclosed these structures before the flower opened is at upper left. Magnification unknown.
Science Photo Library was founded in 1981 by Michael Marten, one of the authors of "Worlds Within Worlds", a book exploring different ways to observe the universe - from electron micrographs, to images of earthrise taken from the Apollo spacecraft. When Marten started receiving requests for the beautiful images in the book, he had an idea of setting up Science Photo Library.
Since then, Science Photo Library has continued to work alongside world acclaimed photographers and the leading science and medical experts to provide a central source of the best science and specialist imagery available. Although the collection started with scientific images, it has grown to encompass all aspects of science and their impact on everyday life.
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