Credit: GERD GUENTHER/SCIENCE PHOTO LIBRARY

Caption: Thuricola folliculata ciliate. Light microscope differential interference contrast (DIC) footage of the peritrich ciliate Thuricola folliculata. This sessile microscopic organism is found in water, attached to other plants and animals by a stalk. This species 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. This retraction occurs three times in this clip. Magnification: x285 at 10 centimetres across.

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Keywords: alga, algae, aquatic, biological, biology, chlorella, ciliate, ciliates, dic, differential interference contrast, light micrograph, light microscope, light microscopy, lorica, one, peritrich, protist, protozoa, protozoan, reflex, retracting, retraction, sessile, single, single-celled, symbiotic chlorella, thuricola folliculata, unicellular, water, zoological, zoology

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Thuricola folliculata ciliate

K004/1866 Rights Managed

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Duration: 00:00:44.04

Frame size: 1920x1080

Frame rate: 24

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 1.2G

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Capture format: EOS 5D MK2

Codec: Uncompressed 8-bit 4:2:2

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