two species
Stentor (sten-torr), two species shown here, the larger green (it contains symbiotic green algae) is Stentor polymorphus. Stentors are heterotrich ciliates with a well developed adoral zone extending around the margins of the broad oral region of the body. The cells are pliable and contractile. Phase contrast. This picture was taken by David Patterson and Aimlee Laderman of material collected from a freshwater Atantic white cedar swamp at Cumloden near Woods Hole in Massachusetts, USA in spring and summer, 2001. Image copyright: D. J. Patterson and Aimlee Ladermann, image used under license to MBL (micro*scope).
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Stentor polymorphus
From the collection
Cumloden, Massachusetts, USA
| Description of Stentor polymorphus: Elongate green heterotrich ciliate, the body is cylindrical for most of its length, which may attain 1-2 mm long. The peristome is wide but not greatly expanded. The macronucleus looks like a line of beads. No somatic bristles are present. Green colour comes from symbiotic zoochlorellae. |
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