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Breathing tube on a fruit fly's pupa, SEM

Breathing tube on a fruit fly's pupa, SEM

Z340/0870

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Credit

DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY

Caption

Breathing tube on a fruit fly's pupa, coloured scanning electron micrograph (SEM). This structure is called a spiracle. This fruit fly is Drosophila melanogaster (wild type Oregon R), and its larva develop within a structure called a puparium, from which pupal spiracles project outward. The anterior pair of spiracles terminate in tubelike extensions, called spiracular papillae (red). The exposed ends open in narrow slits, which take in air and pass it to the developing pupa. Magnification: x470 when printed 10 centimetres wide.

Release details

Model release not required. Property release not required.

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