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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:haemal node
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Accession:UBERON:0013119 term browser browse the term
Definition:A lymphoid organ found in various mammals and some birds.
Comment:Hemal nodes are characterized by the presence of large numbers of erythrocytes. Lymph nodes (see below) and hemal nodes share some similarities of structure, but really are fundamentally different organs both qualitatively and quantitatively. Both lymph and hemal nodes contain diffuse lymphatic tissue, and in most cases have nodular tissue in the form of germinal centers, as well. Like the lymph node, the hemal node has a cortex and a medulla, and germinal centers are frequently seen. There's a distinct capsule, and hemal nodes are served at the hilus by an afferent arteriole. [http://www.vetmed.vt.edu/education/curriculum/vm8054/labs/lab13/lab13.htm]
Synonyms:exact_synonym: hemal node
 xref: Wikipedia:Haemal_nodes


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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
          mesoderm-derived structure 0
            hemopoietic organ 0
              haemal node 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
                        mesoderm 0
                          mesoderm-derived structure 0
                            lateral plate mesoderm 0
                              splanchnic layer of lateral plate mesoderm 0
                                blood vessel 0
                                  arterial blood vessel 0
                                    artery 0
                                      haemal node 0
paths to the root