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Spirozona caudata
Ventral infraciliature

Infraciliature (ventral view) of the trichostomatid ciliate, Spirozona caudata (Kahl,1926). The cell is elongate and rounded anteriorly and tapers posteriorly to a narrow truncate cone. The cell is ellipsoid in cross section. The cytostome is located in the anterior 1/4. Its right margin is curved and the left relatively straight. There are several oral polykinetids on the left and an undulating membrane on the right. The somatic ciliature is distinctive with a wide swath of closely spaced kineties spiraling from the right anterior to the posterior midline. A single spiral kinety of more densely packed kinetosomes bearing longer cilia originates to the right of the cytostome and spirals around the right side to the dorsum of the cell. There are 3 postoral kineties and one shorta paraoral kinetid on the left margin of the cytostome. More widely spaced kineties with less densely packed kinetids originate to the left of the cytostome and follow a less spiral course to the posterior end ventrally. The narrow truncate cone of the posterior end bears a circular row of kinetids. There is a small unciliated anterior apical area or "frontal plate". The spherical macronucleus and micronucleus are located in the anterior half. The single contractile vacuole is located at the posterior end. Collected from sapropelic bottom sediments from standing freshwater near Boise, Idaho November, 2004. Stained by the silver carbonate technique (see Foissner, W.Europ. J. Protistol.27,313-330;1991). Brightfield optics.   This image was taken by William Bourland. He now uses a Zeiss Axioskop 2 with Spot Insight and Spot Flex CCD cameras (Diagnostic Instruments). Image copyright: William Bourland, image used under license to MBL (micro*scope).

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Spirozona caudata

From the collection Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere

No description of Spirozona caudata available.
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    Spirozona caudata in this collection



    Spirozona caudata

    Parakinetal stomatogenesis


    Spirozona caudata

    Dorsal infraciliature


    Spirozona caudata

    Ventral infraciliature


    Spirozona caudata

    Infraciliature in middle division


    Spirozona caudata

    Dorsal infraciliature


    Spirozona caudata

    Ventral infraciliature


    Spirozona caudata

    Dorsal view, in vivo


    Spirozona caudata

    Ventral view, in vivo