FB2026_03 , released September 17, 2026
CV Term Report
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Term regulation of tube size, open tracheal system ID (Ontology) GO:0035151 (Gene Ontology)
Definition Ensuring that an epithelial tube in an open tracheal system is of the correct length and diameter. Tracheal tubes undergo highly regulated tube-size increases during development, expanding up to 40 times their initial size by the end of larval life. Tube size appears to be controlled by regulation of apical membrane expansion and secretion, rather than by changes in cell number, size or shape.[ PubMed:10887083 PubMed:12930776 PubMed:12973360 ]
Also Known As"regulation of tracheal tube size"
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 regulation of tube size, open tracheal system (all annotations which use CV term, excluding "NOT" statements)
     involved_in | regulation of tube size, open tracheal system
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open tracheal system development
 |__regulation of tube architecture, open tracheal system__
regulation of biological quality                           |
 |__regulation of tube architecture, open tracheal system__|
regulation of anatomical structure size                    |
 |__regulation of tube size________________________________|
                                                           regulation of tube size, open tracheal system  54 rec.
                                                            |__regulation of tube diameter, open tracheal system 11 rec.
                                                            |__regulation of tube length, open tracheal system 30 rec.
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regulation of tube architecture, open tracheal system
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