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A biological process whose specific outcome is the progression of an integrated living unit: an anatomical structure (which may be a subcellular structure, cell, tissue, or organ), or organism over time from an initial condition to a later condition. The process whose specific outcome is the progression of an open tracheal system over time, from its formation to the mature structure. An open tracheal system is a respiratory system, a branched network of epithelial tubes that supplies oxygen to target tissues via spiracles. An example of this is found in Drosophila melanogaster. The developmental process pertaining to the initial formation of an anatomical structure from unspecified parts. This process begins with the specific processes that contribute to the appearance of the discrete structure and ends when the structural rudiment is recognizable. An anatomical structure is any biological entity that occupies space and is distinguished from its surroundings. Anatomical structures can be macroscopic such as a carpel, or microscopic such as an acrosome. The progression of the respiratory system over time from its formation to its mature structure. The respiratory system carries out respiratory gaseous exchange. Formation of the tracheal sacs, the first tube-like structures to form in the open tracheal system. Once cells are determined to their tracheal cell fate, the tracheal sacs arise by invagination of each ectodermal cluster of tracheal placode cells, between 5 and 7 hours after egg laying. An example of this is found in Drosophila melanogaster. The process by which anatomical structures are generated and organized. Morphogenesis pertains to the creation of form.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: sac formation, open tracheal system
Acc: GO:0035202
Aspect: Biological Process
Desc: Formation of the tracheal sacs, the first tube-like structures to form in the open tracheal system. Once cells are determined to their tracheal cell fate, the tracheal sacs arise by invagination of each ectodermal cluster of tracheal placode cells, between 5 and 7 hours after egg laying. An example of this is found in Drosophila melanogaster.
Synonyms:
  • tracheal placode invagination
  • tracheal sac formation
Proteins in PDR annotated with:
   This term: 2 [Search]
   Term or descendants: 2 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0035202 - sac formation, open tracheal system (interactive image map)
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