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CROSS-SPECIES ANATOMY - ANNOTATIONS

The Basic subset of the UBERON integrated, cross-species anatomy ontology is downloaded weekly from http://berkeleybop.org/ontologies/uberon/basic.obo. For more information about this ontology see the "About" page on the UBERON website at http://uberon.github.io/about.html.

Term:insect tracheal pit
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Accession:UBERON:6005036 term browser browse the term
Definition:Deep and narrow pit formed by the invagination of a tracheal placode in a late extended germ band embryo. Invagination of the placode begins during stage 11. Branches begin to bud from the pit during stage 11, with a dorsal and ventral stem being apparent by mid-stage 12. The pit closes over during stage 13. There are 10 pairs of tracheal pits - one pair in each tracheal metamere (each segment from T2 to A8). Pits are located in the central one third of each parasegment, with the most anterior in parasegment 4 and the most posterior in parasegment 14.
Synonyms:exact_synonym: embryonic tracheal pit;   tracheal sac
 xref: FBbt:00005036



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Term paths to the root
Path 1
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      material anatomical entity 0
        developing anatomical structure 0
          embryonic structure 0
            insect tracheal primordium 0
              insect tracheal pit 0
Path 2
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      material anatomical entity 0
        anatomical structure 0
          multicellular anatomical structure 0
            multicellular organism 0
              embryo 0
                embryonic structure 0
                  epiblast (generic) 0
                    germ layer / neural crest 0
                      germ layer 0
                        ectoderm 0
                          insect trunk ectoderm 0
                            insect dorsal ectoderm 0
                              insect dorsal ectoderm derivative 0
                                insect tracheal primordium 0
                                  insect tracheal pit 0
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