Credit: GERD GUENTHER/SCIENCE PHOTO LIBRARY

Caption: Stentor amethystinus ciliate. Light microscope darkfield illumination footage of the large peritrich ciliate Stentor amethystinus, attached to a detritus particle. This sessile microscopic organism is found in water, attached to debris or other plants and animals by a stalk. Stentor ciliates are filter organisms, using rows of cilia and an undulating membrane to create a current in the water to direct food particles towards the buccal cavity (mouth opening). This ciliate can retract its contractile stalk very fast if disturbed. This ciliate retracts at the end of this clip. Magnification: x50 at 10 centimetres across.

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Keywords: aquatic, biological, biology, ciliate, ciliates, darkfield illumination, detritus particle, light micrograph, light microscope, light microscopy, one, peritrich, protist, protozoa, protozoan, reflex, retracting, retraction, sessile, single, single-celled, stentor amethystinus, unicellular, water, zoological, zoology

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Stentor amethystinus ciliate

K004/1869 Rights Managed

Downloadable master

Duration: 00:00:39.2

Frame size: 1920x1080

Frame rate: 24

Audio: No

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

File size: 722.4M

Original

Capture format: EOS 5D MK2

Codec: Uncompressed 8-bit 4:2:2

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