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Cell Process
Cell Component
Cell Type
Organism
Microbial
Alzheimer's
Data Sets
University of California, San Diego
9500 Gilman Drive
La Jolla, CA 92093-0608, USA
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transmission electron microscopy (T...
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CIL:36699
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
oral apparatus organization
Cellular Component
oral apparatus
A view of the right side of the cytopharynx showing the groove and its associated microtubules running longitudinally along the groove (for cross sections see Allen, J. Ultrastruct. Res. 63:64-78, 198...
CIL:36706
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
oral apparatus organization
Cellular Component
oral apparatus
The cytopharynx in cross section showing the cytopharyngeal microtubular ribbons lying in the plane of the section. Some discoidal vesicles, some containing HRP label, are also seen in planar view. Ac...
CIL:36708
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
oral apparatus organization
Cellular Component
oral apparatus
One important function of the filamentous reticulum is to provide for the anchorage of cytopharyngeal microtubular ribbons along the left lip of the cytopharynx. This micrograph shows two ribbons aris...
CIL:36781
NCBI Organism Classification
Paramecium caudatum
Biological Process
phagocytosis
Cellular Component
pre-autophagosomal structure
One segment of the assembly line used for phagosome membrane growth in P. caudatum. Cytopharyngeal ribbons bring discoidal vesicles to the left lip of the cytopharynx where the vesicles bind and then ...
CIL:36785
NCBI Organism Classification
Paramecium caudatum
Biological Process
oral apparatus organization
Cellular Component
oral apparatus
Detail of the origin of the cytopharyngeal microtubules along the left side of the cytopharynx that arise within the filamentous reticulum in contact with its electron-opaque nodes. This system does n...
CIL:36790
NCBI Organism Classification
Paramecium caudatum
Biological Process
digestion
Cellular Component
cytoproct
The cytoproct is the cell’s defecation site where spent digestive vacuoles fuse with the plasma membrane. In this cell the cytoproct is closed and forms a ridge along the posterior suture on the ven...
CIL:36754
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
digestive system process
Cellular Component
phagolysosome
Acid phosphatase is present in tubules retrieved from late DV-III. The tubules and rounded expansions arising as a result of late DV-III membrane retrieval contain an electron-opaque reaction product ...
CIL:36764
NCBI Organism Classification
Paramecium caudatum
Biological Process
cortical cytoskeleton organization
Cellular Component
cortical microtubule cytoskeleton
Kinetodesmal fibers arise from the proximal ends of the basal bodies and curve upward and to the cell’s right of the kinety. Together with kds arising from more posterior basal bodies they form a st...
CIL:36765
NCBI Organism Classification
Paramecium caudatum
Biological Process
cortical cytoskeleton organization
Cellular Component
cell cortex
Stacks of 4 or 5 kinetodesmal fibers occupy the longitudinal ridges in a cross-sectioned cell. The kds lie along the right side of each ridge (cell’s left side), and as the kds are tapered, the smal...
CIL:36650
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
nuclear division
Cellular Component
micronucleus
Except that the nuclear envelope remains intact, micronuclear mitosis occurs in a normal way passing through the four stages of prophase, metaphase, anaphase and telophase. In this example a micronucl...
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