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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:parietal organ
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Accession:UBERON:0004869 term browser browse the term
Definition:A part of the epithalamus present in some animal species. The eye may be photoreceptive and is usually associated with the pineal gland, regulating circadian rhythmicity and hormone production for thermoregulation. The parietal eye is a part of the epithalamus, which can be divided into two major parts; the epiphysis (the pineal organ, or pineal gland if mostly endocrine) and the parietal organ (often called the parietal eye, or third eye if it is photoreceptive). It arises as an anterior evagination of the pineal organ or as a separate outgrowth of the roof of the diencephalon. In some species, it protrudes through the skull.[4] The parietal eye uses a different biochemical method of detecting light than rod cells or cone cells in a normal vertebrate eye[WP].
Synonyms:exact_synonym: parietal eye
 related_synonym: third eye
 xref: Wikipedia:Parietal_eye
 external_ontology: never_in_taxon NCBITaxon:40674;   never_in_taxon NCBITaxon:8782

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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
            parietal 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
                  epiblast (generic) 0
                    germ layer / neural crest 0
                      germ layer 0
                        ectoderm 0
                          ectoderm-derived structure 0
                            neurectoderm 0
                              presumptive neural plate 0
                                neural plate 0
                                  neural keel 0
                                    neural rod 0
                                      neural tube 0
                                        anterior neural tube 0
                                          forebrain 0
                                            diencephalon 0
                                              gray matter of diencephalon 0
                                                thalamic complex 0
                                                  dorsal plus ventral thalamus 0
                                                    epithalamus 0
                                                      pineal complex 0
                                                        parietal organ 0
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