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Description
Food vacuoles arise from the single membrane that lines the cytopharynx. Vesicles, similar to discoidal vesicles, attach to the cytopharyngeal microtubules (lamellar clumps) that arise from the dorsal ribbed wall of the peristome and that pass beyond the cytosome. The cytopharynx swells and a food vacuole balloons out through the ribs that are produced by the folded cytopharyngeal membrane and the attached lamellae. How, why and when a food vacuole pinches off needs further study. A myoneme equivalent to the cytostomal cord in Paramecium lies along the origins of the lamellae (called cytopharyngeal ribbons in Paramecium). TEM taken on 3/30/71 by R. Allen with Hitachi HU11A operating at 75kV. Mag. 9,250X. The raw negative was scanned with an Epson Perfection V750 Pro and this high resolution image is best used for quantitative analysis. Additional information available at (http://www5.pbrc.hawaii.edu/allen/). Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp) Allen, Richard (2021). CIL:39463, Vorticella convallaria, cell by organism, eukaryotic cell, Eukaryotic Protist, Ciliated Protist. In Cell Image Library. UC San Diego Library Digital Collections. Dataset. https://doi.org/10.6075/J0DZ07MS
Type
image
Identifier
ark:/20775/bb4956212x
Language
No linguistic content
Subject
Response to food Cambridge Culture Collection, Cambridge, England, # LB1690/1 Digestive system process Eukaryotic cell Cortical microtubule cytoskeleton Ciliated Protist Eukaryotic Protist Food vacuole Cell by organism Oral apparatus Vorticella convallaria Cell Image Library Group ID: 10330
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