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|Note:||This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name.|
|Definition:||Embryonic structure that is the dome of cytoplasm that segregates from the yolk toward the animal pole during and after the one cell-stage, and which undergoes cleavage.|
|Ontology:||Anatomy Ontology [ZFA:0001175]|
|Synonyms:||microtubuli, microtubulus, neurotubule|
|Definition:||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.|
|Ontology:||GO: Cellular Component [GO:0005874] QuickGO AmiGO|