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thymus - Ontology Report - Rat Genome Database

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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:thymus
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Accession:UBERON:0002370 term browser browse the term
Definition:Anatomical structure of largely lymphoid tissue that functions in cell-mediated immunity by being the site where T cells develop.
Comment:[homology-note] "A thymus develops in all vertebrates from the endodermal epithelium of certain pharyngeal pouches and from the adjacent ectodermal epithelium. In fishes, all the pouches, or the first four, contribute to thymus formation, but in tetrapods, the number is more restricted. In mammals, only the third and fourth are involved, and the contribution of the third is by far the greater.[well established][VHOG]" xsd:string {date_retrieved="2012-09-17", external_class="VHOG:0000253", ontology="VHOG", source="ISBN:978-0878932504 Gilbert SF, Developmental Biology (2006) p.558", source="http://bgee.unil.ch/"}
Synonyms:exact_synonym: thymus gland;   thymus organ
 xref: AAO:0010548;   BTO:0001374;   CALOHA:TS-1043;   EFO:0000860;   EHDAA2:0002017;   EHDAA:9119;   EMAPA:18768;   EV:0100138;   FMA:9607;   GAID:464;   MA:0000142;   MAT:0000080;   MESH:D013950;   MIAA:0000080;   NCI:C12433;   SCTID:118507000;   TAO:0001078;   UMLS:C0040113;   VHOG:0000253;   Wikipedia:Thymus;   XAO:0000163;   ZFA:0001078
 external_ontology: present_in_taxon NCBITaxon:9606
 relational_adjective: thymic


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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
        anatomical structure 0
          endoderm-derived structure 0
            mixed endoderm/mesoderm-derived structure 0
              thymus 0
                cervical thymus + 0
                cortex of thymus 0
                medulla of thymus + 0
                thoracic thymus 0
                thymus epithelium + 0
                thymus lobe + 0
                thymus lymphoid tissue 0
                thymus trabecula 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
                  presumptive structure 0
                    presumptive gut 0
                      digestive tract 0
                        subdivision of digestive tract 0
                          foregut 0
                            pharyngeal region of foregut 0
                              pharyngeal arch system 0
                                entire pharyngeal arch endoderm 0
                                  early pharyngeal endoderm 0
                                    pharyngeal epithelium 0
                                      thymus primordium 0
                                        thymus 0
                                          cervical thymus + 0
                                          cortex of thymus 0
                                          medulla of thymus + 0
                                          thoracic thymus 0
                                          thymus epithelium + 0
                                          thymus lobe + 0
                                          thymus lymphoid tissue 0
                                          thymus trabecula 0
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