MICROFIELD SCIENTIFIC LTD / SCIENCE PHOTO LIBRARY MICROFIELD SCIENTIFIC LTD / SCIENCE PHOTO LIBRARY
Bread mould sporangium. Colour scanning electron micrograph of a mature sporangium or fruiting body of the common bread mould Mucor sp. The reproductive spores, clustered here to form a cap, are ready to disperse in the air. When they land on a favourable medium, they germinate to produce a network of hyphae (thread-like structures), which absorb food for growth and spore production. A sporangium grows at the end of a specialised hyphae called a sporangiophore. In this mature sporangium the wall enclosing the spores has disintegrated, enabling the spores' dispersal. Magnification: x300 at 5x7cm size. Magnification: 1100 at 7x1 inch size.
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