Stentor polymorphus, light microscopy

Videonummer 12082236
Stentor polymorphus. Light microscope footage of a green stentor (Stentor polymorphus), a ciliate protozoan. Cilia can be seen lining the peristome, a rim around the oral area. Their rhythmic beating draws bacteria and other organisms into the cytostome or mouth. The macronucleus appears as a beaded chain. The green colour is caused by the presence of numerous Zoochlorella algae, with which it has a symbiotic relationship. The algae photosynthesise inside the protozoan, providing it with sugars and oxygen, while deriving protection from their host. Filmed with differential interference contrast illumination.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Gross, Roland
Modell-Rechte: nicht erforderlich
Länge: 30 Sekunden
Seitenverhältnis: 16:9
Restrictions: -

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