Stentor coeruleus

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Clade:Sar
Superphylum:Alveolata
Phylum:Ciliophora
Stentor coeruleus
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Sar
Superphylum: Alveolata
Phylum: Ciliophora
Class: Heterotrichea
Order: Heterotrichida
Family: Stentoridae
Genus: Stentor
Species:
S. coeruleus
Binomial name
Stentor coeruleus
Ehrenberg, 1830[1]

Stentor coeruleus (pronunciation[a]) is a protist in the family Stentoridae which is characterized by being a very large ciliate that measures 0.5 to 2 millimetres when fully extended.

S. coeruleus specifically appears as a very large trumpet. It contains a macronucleus that looks like a string of beads that are contained within a ciliate that is blue to blue-green in color. It has the ability to contract into a ball through the contraction of its many myonemes .[2]

Stentor coeruleus is known for its regenerative abilities.[3] When this organism is cut in half, each half is able to regenerate a cell that has its normal anatomy provided that each cut part includes some of the macro-nucleus.[4] It feeds by means of cilia that carry food into the gullet.

Stentor coeruleus digesting Blepharisma sp.
Large S. coeruleus specimens from a fish tank, viewed using a stereo microscope. The ciliates are attached to a small shell, likely that of an ostracod.

Reproduction

References

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