Silverline system, right ventralateral view
Right ventrolateral view of the silverline system (argyrome) of a ciliate from the Tetrahymena pyriformis complex.The oral aperture is to the viewer's upper right. Stained by the Klein-Foissner dry silver nitrate technic (see Foissner, W. Europ. J. Protistol., 27:313-330;1991). Brightfield, black and white. 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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Tetrahymena pyriformis complex
From the collection
Freshwater and Terrestrial Microbes of Idaho (USA) and Elsewhere
| Description of Tetrahymena pyriformis complex: A species complex of hymenostome ciliates, 25-90 micrometres long. Body ovoid, narrowing anteriorly. Mouth pear-shaped, or approximately triangular, in the anterior quarter, parallel to longitudinal axis of the cell; with undulating membrane on the right and three small membranelles on the left. Uniformly ciliated, in longitudinal rows; with straight preoral suture. One spherical macronucleus, central; one contractile vacuole, subterminal. Bacterivore; in fresh water.
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