GO_term: GO:0007428   

GO:0007428	Definition	Formation of primary branches in the insect tracheal system. These form from small groups of cells that migrate out at specific positions, organizing into tubes as they migrate.
		Formation of primary branches in the tracheal system. These form from small groups of cells that migrate out at specific positions, organizing into tubes as they migrate. As in, but not restricted to, the true insects (Insecta, ncbi_taxonomy_id:50557).
	Term	primary tracheal branching (sensu Insecta)
	Type	Biological_process
	Parent	Instance_of	GO:0001763
		Component_of	GO:0007424
	Attributes_of	Index	Ancestor (43)
			Descendent	GO:0007428

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