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Long whiplike or feathery structures borne either singly or in groups by the motile cells of many bacteria and unicellular eukaryotes and by the motile male gametes of many eukaryotic organisms, which propel the cell through a liquid medium. A motor complex composed of an extracellular helical protein filament coupled to a rotary motor embedded in the cell envelope. Organized structure of distinctive morphology and function. Includes the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton, and prokaryotic structures such as anammoxosomes and pirellulosomes. Excludes the plasma membrane. Any constituent part of a cell, the basic structural and functional unit of all organisms. Any constituent part of a flagellum, a long whiplike or feathery structure borne either singly or in groups by the motile cells of many bacteria and unicellular eukaryotes and by the motile male gametes of many eukaryotic organisms, which propel the cell through a liquid medium. Organized structure of distinctive morphology and function, occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton. Excludes the plasma membrane. A long, whiplike protrusion from the surface of a eukaryotic cell, whose undulations drive the cell through a liquid medium; similar in structure to a cilium. The flagellum is based on a 9+2 arrangement of microtubules. Any constituent part of the living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm. A prolongation or process extending from a cell, e.g. a flagellum or axon.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: flagellum
Acc: GO:0019861
Aspect: Cellular Component
Desc: Long whiplike or feathery structures borne either singly or in groups by the motile cells of many bacteria and unicellular eukaryotes and by the motile male gametes of many eukaryotic organisms, which propel the cell through a liquid medium.
Synonyms:
  • GO:0008223
Proteins in PDR annotated with:
   This term: 61 [Search]
   Term or descendants: 265 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0019861 - flagellum (interactive image map)
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