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Breathing tube on a fruit flys pupa, SEM
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Breathing tube on a fruit flys pupa, SEM
Breathing tube on a fruit flys 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 the pupal spiracles project outward. The anterior pair of spiracles terminate in tubelike extensions, called spiracular papillae (orange). 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
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Media ID 6460980
© DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY
Animal Body Anterior Breathing Tube Developing Developmental Biology Drosophila Melanogaster Entomological False Colour Front Fruit Fly Insecta Larval Stage Metamorphosis Oxygen Papilla Papillae Pupa Respiration Respiratory Spiracle Spiracles Tube Tubes False Coloured
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