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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:feather
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Accession:UBERON:0000022 term browser browse the term
Definition:One of the epidermal growths that form the distinctive outer covering, or plumage, on birds. Feathers are formed in tiny follicles in the epidermis, or outer skin layer, that produce keratin proteins.
Comment:[structure-note] "The beta-keratins in feathers, beaks and claws - and the claws, scales and shells of reptiles - are composed of protein strands hydrogen-bonded into beta-pleated sheets, which are then further twisted and crosslinked by disulfide bridges into structures even tougher than the alpha-keratins of mammalian hair, horns and hoof."; [taxon-note] "Among the characteristics that distinguish the extant Aves from other living groups. Feathers have also been noticed in those Theropoda which have been termed feathered dinosaurs. Although feathers cover most parts of the body of birds, they arise only from certain well-defined tracts on the skin. They aid in flight, thermal insulation, waterproofing and coloration that helps in communication and protection"
Synonyms:xref: BTO:0000447;   EFO:0000955;   GAID:1214;   MAT:0000156;   MESH:D005241;   SCTID:410027006;   Wikipedia:Feather
 see_also: http://xkcd.com/1104/
 external_ontology: never_in_taxon NCBITaxon:314146


show annotations for term's descendants           Sort by:
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
          ectoderm-derived structure 0
            feather 0
              afterfeather 0
              auricular feather 0
              blood feather 0
              breast feather 0
              dorsal feather 0
              down feather 0
              feather barb + 0
              feather barbicel 0
              feather barbule + 0
              feather shaft + 0
              filoplume feather 0
              forelimb feather + 0
              hindlimb feather + 0
              rictal bristle 0
              tail feather + 0
              vaned feather + 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
                          ectoderm-derived structure 0
                            ecto-epithelium 0
                              embryonic skin basal layer 0
                                skin of body 0
                                  skin epidermis 0
                                    feather 0
                                      afterfeather 0
                                      auricular feather 0
                                      blood feather 0
                                      breast feather 0
                                      dorsal feather 0
                                      down feather 0
                                      feather barb + 0
                                      feather barbicel 0
                                      feather barbule + 0
                                      feather shaft + 0
                                      filoplume feather 0
                                      forelimb feather + 0
                                      hindlimb feather + 0
                                      rictal bristle 0
                                      tail feather + 0
                                      vaned feather + 0
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