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Thuricola and Vorticella ciliates

K004/1867

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Credit

GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY

Caption

Thuricola and Vorticella ciliates. Light microscope differential interference contrast (DIC) footage of the peritrich ciliates Thuricola folliculata (green, elongated) and Vorticella (bell-shaped). These sessile microscopic organisms are found in water, attached to other plants and animals by a stalk. Thuricola folliculata houses symbiotic green algae (genus Chlorella), and has a shell-like protective chitinous outer covering (a lorica), with a flap valve. On disturbance, the ciliate retracts into its housing. The Vorticella ciliates similarly contract their stalks for protection. These retractions are seen several times here. Magnification: x71 at 10 centimetres across.

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Downloadable Master

  • Duration: 00:00:45.11
  • Audio: No
  • Format: Photo JPEG 100% QuickTime movie

Original

  • Capture Format: EOS 5D MK2

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