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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:primary circulatory organ
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Accession:UBERON:0007100 term browser browse the term
Definition:A hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood or analogs[GO,modified].
Comment:Gene notes: Bmp, Nkx, Gata; [taxon-note] "note we reserve the subclass 'heart' from the vertebrate multi-chambered heart. 'The first heart-like organ is believed to have appeared 500my ago in an ancestral bilaterian'. Amniotes: four-chambered heart. Amphibians: two atria, one ventricle, pulmonary; fish: single atrium and ventricle; amphioxus: tubular, non-striated, closed, unidirectional; ascidians: tubular, striated, open, bidirectional; arthropods: tubular, open; C elegans: contractile pharynx; Cnideria: striated muscle cells associated with gastrodermis"
Synonyms:narrow_synonym: dorsal tube;   heart
 related_synonym: adult heart
 xref: TADS:0000147;   http://www.sciencemag.org/content/313/5795/1922/F1.large.jpg


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
          anatomical system 0
            circulatory system 0
              circulatory organ 0
                primary circulatory organ 0
                  cardiac muscle tissue + 0
                  dorsal vessel heart 0
                  heart + 0
                  peristaltic circulatory vessel 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
              anatomical system 0
                organ 0
                  compound organ 0
                    circulatory organ 0
                      primary circulatory organ 0
                        cardiac muscle tissue + 0
                        dorsal vessel heart 0
                        heart + 0
                        peristaltic circulatory vessel 0
paths to the root