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Center for Research in Biological Systems
University of California, San Diego
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Search Results for
Macronucleus organization
(107 results)
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CIL:10244
NCBI Organism Classification
Halteria grandinella
Biological Process
macronucleus organization
Cellular Component
macronucleus
This image of Halteria was fixed in cacodylate-buffered fixative and stained. The round, dark bodies, possibly pigment granules, were transparent in other preparations are electron-opaque following th...
CIL:36660
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
nucleolar fragmentation involved in replicative aging
Cellular Component
macronucleus
An extreme example of peeling of the surface of nucleoli in which long threads unravel from the nucleoli. TEM taken on 5/27/82 by R. Allen with Hitachi HU11A operating at 75kV. Neg. 14,250X. Bar = 0.2...
CIL:36280
NCBI Organism Classification
Vorticella convallaria
Biological Process
contractile system
Cellular Component
macronucleus
Vorticella convallaria has a contractile stalk that arises from the aboral pole of the cell. The myonemes from the body converge at this pole and pass into the stalk to form a large contractile bundle...
CIL:39517
NCBI Organism Classification
Vorticella convallaria
Biological Process
contractile system
Cellular Component
macronucleus
Vorticella convallaria has a contractile stalk that arises from the aboral pole of the cell. The myonemes from the body converge at this pole and pass into the stalk to form a large contractile bundle...
CIL:7340
NCBI Organism Classification
Opercularia [NCBITaxon:168247]
Biological Process
cortical cytoskeleton organization
Cellular Component
oral apparatus
A high resolution overview of Opercularia coarctata showing that cytostome divides the peristome from the cytopharynx. The cytopharynx starts where the alveoli end in the oral region. TEM taken on 6/1...
CIL:9923
NCBI Organism Classification
Opercularia [NCBITaxon:168247]
Biological Process
cortical cytoskeleton organization
Cellular Component
oral apparatus
The cytostome of Opercularia divides the peristome from the cytopharynx. The cytopharynx starts where the alveoli end in the oral region. TEM taken on 6/13/69 by R. Allen with Philips 300 operating at...
CIL:38865
NCBI Organism Classification
Didinium nasutum
Biological Process
cell division
Cellular Component
cell division site
The division furrow of a dividing Didinium. A thick layer of epiplasm coated on the cytosolic side by mitochondria forms the constricting ring in the furrow. As usual mucocysts lie between the epiplas...
CIL:34534
NCBI Organism Classification
Tetrahymena pyriformis
Biological Process
micronucleus organization
Cellular Component
micronucleus
A high resolution micrograph. Most wild type Tetrahymena have a macronucleus and a micronucleus. The micronucleus, seen here, is essentially nonfunctional during interphase. Its function is to replica...
CIL:39404
NCBI Organism Classification
Vorticella convallaria
Biological Process
digestive system process
Cellular Component
cell
11 micrographs are views of a serially-sectioned contracted Vorticella convallaria cell that show the main features of this cell. This figure shows 5 food vacuoles; 3 segments of the macronucleus; per...
CIL:34616
NCBI Organism Classification
Tetrahymena pyriformis
Biological Process
micronucleus organization
Cellular Component
micronucleus
Most wild type Tetrahymena have a macronucleus and a micronucleus. The micronucleus, seen here, is essentially nonfunctional during interphase. Its function is to replicate and pass a complete copy of...
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