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Center for Research in Biological Systems
Basic Science Building, Room 1000
University of California, San Diego
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Search Results for
Paramecium sp.
(19 results)
CIL:22782
NCBI Organism Classification
Didinium nasutum
Biological Process
phagocytosis
Cellular Component
oral apparatus
Didinium intiates capture of Paramecium. Believe-it-or-not, this Didinium may accomplish the ingestion of the Paramecium in less than one minute. See other images in the link below. Also showing metac...
CIL:21992
NCBI Organism Classification
Didinium nasutum
Biological Process
phagocytosis
Cellular Component
oral apparatus
Didinium ingests Paramecium. Note that Paramecium is nearly the waiting food vacuole and the proboscis of Didinium is beginning to reform. This micrograph also shows the metachronous waves of cilia in...
CIL:21995
NCBI Organism Classification
Didinium nasutum
Biological Process
phagocytosis
Cellular Component
oral apparatus
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 ...
CIL:39246
NCBI Organism Classification
Didinium nasutum
Biological Process
phagocytosis
Cellular Component
oral apparatus
Didinium ingests Paramecium. At the midpoint of engulfment, some 30 seconds after contact. This micrograph was taken in 1968 by G. Antipa on a Cambridge Mark IIA operating at 20kV. The negative magnif...
CIL:15449
NCBI Organism Classification
Didinium nasutum
Biological Process
response to food
Cellular Component
food vacuole
Food vacuole of Didinium. The food vacuole contains both exploded and unexploded trichocysts of Paramecium. Further details available at Wessenberg, H. and Antipa, G. 1968. Studies on Didinium nasutum...
CIL:15712
NCBI Organism Classification
Didinium nasutum
Biological Process
cortical cytoskeleton organization
Cellular Component
cell cortex
Cortex and food vacuole of Didinium. The food vacuole contains unexploded trichocysts of Paramecium. Further details available at Wessenberg, H. and Antipa, G. 1968. Studies on Didinium nasutum. I. St...
CIL:17892
NCBI Organism Classification
Didinium nasutum
Biological Process
phagocytosis
Cellular Component
oral apparatus
Didinium ingests Paramecium. Also showing a few discharged trichocysts and metachronous waves of cilia in the two characteristic ciliary girdles of Didinium nasutum. This micrograph was taken in 1968 ...
CIL:21991
NCBI Organism Classification
Didinium nasutum
Biological Process
phagocytosis
Cellular Component
oral apparatus
Didinium captures Paramecium. A moment after initial contact when toxicysts enter Paramecium. The strand of toxicysts can be seen between the two organisms, and Didinium will use the anchored toxicyst...
CIL:39250
NCBI Organism Classification
Didinium nasutum
Biological Process
phagocytosis
Cellular Component
oral apparatus
Didinium captures Paramecium. It is not unusual for an undersized Didinium to attempt to ingest a much larger Paramecium. In this case, the organisms were preserved before the outcome could be determi...
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