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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:pericardial cavity
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Accession:UBERON:0001074 term browser browse the term
Definition:A potential space between the visceral and parietal layers of the pericardium.
Comment:[homology-note] "In hagfishes a transverse septum extends upward from the ventral body wall posterior to the heart, partly separating an anterior pericardial cavity from a larger peritoneal cavity. (...) These basic relationships have not been modified by urodeles. The small pericardial cavity remains far forward where it is separated by a transverse septum from the principal coelom, which may now be called a pleuroperitoneal cavity because slender lungs are present. (...) The heart (of other tetrapods) is separated from the lungs (and liver if present) by more or less horizontal partitions that have their origin in the embryo as folds on the serous membrane of the right and left lateral body walls. These grow out to join in the midline of the body. They are called lateral mesocardia (birds) or pleuropericardial membranes. Posteriorly they join the transverse septum to form the adult pericardial membrane, or pericardium. (...) In their partitioning of their coelom, embryonic mammals resemble first early fishes (incomplete partition, posterior to heart, consisting of the transverse septum) and then reptiles (pericardium derived from transverse septum and pleuropericardial membranes). Mammals then separate paired pleural cavities from the peritoneal cavity by a diaphragm. The ventral portion of this organ comes from the transverse septum. The dorsal portion is derived from the dorsal mesentery and from still another pair of outgrowths from the lateral body wall, the pleuroperitoneal membranes.[well established][VHOG]" xsd:string {date_retrieved="2012-09-17", external_class="VHOG:0000556", ontology="VHOG", source="ISBN:978-0471090588 Hildebrand M, Analysis of vertebrate structure (1983) p.205-206", source="http://bgee.unil.ch/"}
Synonyms:exact_synonym: cavity of pericardial sac;   pericardial space
 related_synonym: cavitas pericardiaca
 xref: BSA:0000091;   EHDAA2:0001434;   EMAPA:16131;   EMAPA:16132;   FMA:11350;   MA:0000053;   NCI:C38662;   SCTID:362027001;   TAO:0002220;   UMLS:C0225972;   VHOG:0000556;   Wikipedia:Pericardial_cavity;   ZFA:0001655;   galen:PericardialSpace

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Term paths to the root
Path 1
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      immaterial anatomical entity 0
        anatomical space 0
          anatomical cavity 0
            coelemic cavity lumen 0
              pericardial cavity 0
                pericardial sinus + 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
              organism subdivision 0
                main body axis 0
                  body proper 0
                    trunk 0
                      subdivision of trunk 0
                        thoracic segment of trunk 0
                          thoracic segment organ 0
                            thoracic cavity element 0
                              heart plus pericardium 0
                                pericardium 0
                                  pericardial sac 0
                                    pericardial cavity 0
                                      pericardial sinus + 0
paths to the root