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Cell Process
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Center for Research in Biological Systems
University of California, San Diego
9500 Gilman Drive
La Jolla, CA 92093-0608, USA
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Search Results for
Richard Allen
(823 results)
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Still Images
Video/Animation
Z-Stack
Time Series
CIL:36696
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
oral apparatus organization
Cellular Component
oral apparatus
The buccal cavity opens into the developing digestive (food) vacuole at the terminal edges of the alveolar sacs that cover the buccal cavity. A plane connecting these edges would roughly describe a te...
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: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:36657
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
pronuclear migration
Cellular Component
pronucleus
During self conjugation two cells from a 6-day old culture come together, bridges are formed between them and haploid products of meiotic division of their micronuclei are exchanged between the mating...
CIL:36667
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
organelle organization
Cellular Component
trichocyst
The body of the trichocyst is composed of a core and a cortex which have slightly different electron diffracting properties, thus the cortex is darker since it scatters more electrons. An electron tra...
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