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Any constituent part of the cytoskeleton, a cellular scaffolding or skeleton that maintains cell shape, enables some cell motion (using structures such as flagella and cilia), and plays important roles in both intra-cellular transport (e.g. the movement of vesicles and organelles) and cellular division. Includes constituent parts of intermediate filaments, microfilaments, microtubules, and the microtrabecular lattice. Any constituent part of the cytoplasm, all of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. Any microtubule in the cytoplasm of a cell. The portion of the microtubule cytoskeleton that lies just beneath the plasma membrane. Any constituent part of the cell cortex, the region of a cell that lies just beneath the plasma membrane and often, but not always, contains a network of actin filaments and associated proteins. The part of the cytoskeleton (the internal framework of a cell) composed of microtubules and associated proteins. Any of the long, generally straight, hollow tubes of internal diameter 12-15 nm and external diameter 24 nm found in a wide variety of eukaryotic cells; each consists (usually) of 13 protofilaments of polymeric tubulin, staggered in such a manner that the tubulin monomers are arranged in a helical pattern on the microtubular surface, and with the alpha/beta axes of the tubulin subunits parallel to the long axis of the tubule; exist in equilibrium with pool of tubulin monomers and can be rapidly assembled or disassembled in response to physiological stimuli; concerned with force generation, e.g. in the spindle. Arrays of microtubules underlying and connected to the plasma membrane in the cortical cytosol. The portion of the cytoskeleton that lies just beneath the plasma membrane. Arrays of microtubules underlying and connected to the plasma membrane, in the cortical cytosol, oriented mainly with their axes transverse to the long axis of the cell (and root in plants). In plants it influences the direction of cellulose microfibril deposition. The region of a cell that lies just beneath the plasma membrane and often, but not always, contains a network of actin filaments and associated proteins.

View Gene Ontology (GO) Term

GO TERM SUMMARY

Name: cortical microtubule
Acc: GO:0055028
Aspect: Cellular Component
Desc: Arrays of microtubules underlying and connected to the plasma membrane in the cortical cytosol.
Proteins in PDR annotated with:
   This term: 6 [Search]
   Term or descendants: 13 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0055028 - cortical microtubule (interactive image map)

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