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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:ampullary organ
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Accession:UBERON:0008917 term browser browse the term
Definition:Organ that consists of receptor cells located within an epidermal invagination and functions as an electroreceptor.
Comment:[taxon-note] "The presence of these organs varies greatly among anamniotes, but an out-group analysis of their distribution in adult anamniotes suggests that they were present in primitive vertebrates and retained in living lampreys, cartilaginous fishes, lobe-finned fishes and basal ray-finned fishes (bichirs, sturgeons and paddlefishes). Ampullary organs do not occur in gars and bowfins, two of the three groups of neopterygian fishes, nor are they found in most teleost fishes, but they do appear to have re-evolved at least twice (and more likely three or more times) in five groups of teleosts (Northcutt, 1997).[http://icb.oxfordjournals.org/content/42/4/743]"
Synonyms:exact_synonym: ampullary electroreceptor;   ampullary electroreceptor organ;   electrosensory ampullary organ
 broad_synonym: ampullary receptor
 xref: AAO:0001006;   TAO:0002104
 external_ontology: never_in_taxon NCBITaxon:7915;   never_in_taxon NCBITaxon:7922;   present_in_taxon NCBITaxon:7746;   present_in_taxon NCBITaxon:7777;   present_in_taxon NCBITaxon:7900;   present_in_taxon NCBITaxon:7911;   present_in_taxon NCBITaxon:8289;   present_in_taxon NCBITaxon:8296
 axiom_lost: relationship loss: part_of lateral line receptor organ (AAO:0001001)[AAO]" xsd:string {date_retrieved="2012-06-20", external_class="AAO:0001006", ontology="AAO;   relationship loss: subclass lateral line receptor organ (AAO:0001001)[AAO]" xsd:string {date_retrieved="2012-06-20", external_class="AAO:0001006", ontology="AAO


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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
          ectoderm-derived structure 0
            ampullary organ 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
                  embryonic tissue 0
                    germ layer / neural crest 0
                      germ layer 0
                        ectoderm 0
                          ectoderm-derived structure 0
                            non-neural ectoderm 0
                              preplacodal ectoderm 0
                                neurogenic placode 0
                                  dorsolateral placode 0
                                    lateral line placode 0
                                      lateral line 0
                                        ampullary organ 0
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