50.8 MB (3.0 MB compressed)
3650 x 4869 pixels
31.0 x 41.1 cm ⏐ 12.2 x 16.2 in (300dpi)
POWER AND SYRED / SCIENCE PHOTO LIBRARY POWER AND SYRED / SCIENCE PHOTO LIBRARY
Fruit fly proboscis. Coloured scanning electron micrograph (SEM) of the coiled-up proboscis (lower centre) of a male fruit fly (Drosophila melanogaster). This fly feeds on fermenting juices from rotting fruit. The interior of the proboscis is lined with fine canals called pseudotracheae, which absorb the juices. Fruit flies are widely used in genetic experiments, particularly in mutation experiments, because they reproduce rapidly and their genetic systems are well understood. Magnification: x183 when printed 10 centimetres high.
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