test, nuclei, cvs
Microchlamys (mike-row-clam-iss) is a testate amoeba, but one with a flexible shell or lorica. Optical section through the cell. Two nuclei with dark nucleoli and the light coloured contractile vacuole are evident. Phase contrast. This picture was taken by Linda Amaral Zettler, and David Patterson of material from the freshwater Lamont Pond (New York State, USA). Image copyright: L Amaral-Zettler and D. J. Patterson, image used under license to MBL (micro*scope).
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From the collection
Lamont Pond, freshwater, New York
|Description of Microchlamys: Test: clear, yellow to brown, finely areolated (~0.45 µm), chitinoid, flexible, folded, cell enclosed within a membranous sac which is fixed to the shell at intervals, lost in empty shells. The sac has a central pseudostome. Pseudopods: cylindroid, finely granular. Endoplasm: granular, cell moves inside the shell eruptively. One vesicular nucleus. Crystals: 2 µm or less. Feeding: herbivore. Habitat: sphagnum mosses. freshwater, soil. Type species: Microchlamys patella. |