Public Domain: This image is in the public domain and thus free of any copyright restrictions. However, as is the norm in scientific publishing and as a matter of courtesy, any user should credit the content provider for any public or private use of this image whenever possible. Learn more
Comments: Powered by Pnyxe


A grazing section through the dorsal surface of Euplotes showing cross sections of cilia in four of the sparsely ciliated kineties . A layer of mitochondria underlies the pellicle. A replication band of the DNA in the macronucleus is typical of hypotrichs. The basal bodies and cilia of one cirrus are found as well as the contractile vacuole. EM taken on 8/1/67 by R. Allen with Philips 200 operating at 60kV. Neg. 1,800X. Standard glutaraldehyde fixation followed by osmium tetroxide, dehydrated in alcohol, and embedded in an epoxy resin. Microtome sections prepared at approximately 75nm thickness. The raw film was scanned with a Nikon Coolscan 9000ED. This image is suitable for quantitative analysis. Additional information is available at (

Biological Sources

NCBI Organism Classification
Euplotes sp.
Cell Type
cell by organism
eukaryotic cell
Eukaryotic Protist
Ciliated Protist
Cell Line
Euplotes sp. from Carolina Biological Supply
Cellular Component
contractile vacuole

Biological Context

Biological Process
ciliary or flagellar motility
macronucleus organization
DNA replication checkpoint
cytoplasm organization
Molecular Function
visual nuclear replication


Richard Allen


This image is part of a group.
Data Qualifiers
raw, unprocessed data
suitable for spatial measurements


Spatial Axis Image Size Pixel Size
X 4000px 2.8nm
Y 3028px 2.8nm
*CIL – Cell Image Library accession number. Please use this to reference an image.