CIL:21995, Didinium nasutum, Paramecium sp., cell by organism, eukaryotic cell, Eukaryotic Protist, Ciliated Protist. CIL. Dataset

NCBI Organism:Didinium nasutum, Paramecium sp., ; Cell Types:cell by organism, eukaryotic cell, , ; Cell Components:oral apparatus, phagocytic cup, cell cortex, cell surface; Biological process:phagocytosis, phagocytosis, engulfment;

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*CIL – Cell Image Library accession number. Please use this to reference an image.

CIL:21995^* Cite

Description

Didinium ingests Paramecium. Note that Paramecium is folded in half as it is compressed and enters the waiting food vacuole. This micrograph also shows a few discharged Paramecium trichocysts as well as the metachronous waves of cilia in the two characteristic ciliary girdles of Didinium nasutum. This micrograph was taken in 1968 by G. Antipa on a Cambridge Mark IIA operating at 20kV. The negative magnification is 500X. Further details are available at Wessenberg, H. and Antipa, G. 1970. Capture and ingestion of Paramecium by Didinium nasutum. J. Protozool. 17:250-270.

Biological Sources

NCBI Organism Classification: Didinium nasutum; Paramecium sp.
Cell Type: cell by organism; eukaryotic cell; Eukaryotic Protist; Ciliated Protist
Cellular Component: oral apparatus; phagocytic cup; cell cortex; cell surface

Biological Context

Biological Process: phagocytosis; phagocytosis, engulfment

Attribution

Names: Gregory Antipa (San Francisco State University)

Citation

Digital Object Identifier (DOI): doi:10.7295/W9CIL21995
Archival Resource Key (ARK): ark:/b7295/w9cil21995

Grouping This image is part of a group.

Imaging

Image Type: recorded image
Image Mode: illumination by electrons; secondary_electron imaging
Parameters Imaged: illumination by electrons; secondary electron generation; secondary_electron imaging
Source of Contrast: detection of electrons
Visualization Methods: shadowing and plating
Processing History: recorded image; film; unprocessed raw data
Data Qualifiers: raw, unprocessed data

Sample Preparation

Methods: chemically fixed tissue; Parducz fixative; lyophilized specimen; Au/Pd metal sputter-coat
Relation To Intact Cell: whole mounted tissue

Dimensions

Spatial Axis	Image Size	Pixel Size
X	6367px	28nm
Y	4364px	28nm