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RGD uses the Human Disease Ontology (DO, for disease curation across species. RGD automatically downloads each new release of the ontology on a monthly basis. Some additional terms which are required for RGD's curation purposes but are not currently covered in the official version of DO have been added. As corresponding terms are added to DO, these custom terms are retired and the DO terms substituted in existing annotations and subsequently used for curation.

Term:Ring Chromosomes
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Accession:DOID:9006940 term browser browse the term
Definition:Aberrant chromosomes with no ends, i.e., circular.
Synonyms:exact_synonym: Ring Chromosome
 primary_id: MESH:D012303;   RDO:0000443

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Term paths to the root
Path 1
Term Annotations click to browse term
  disease 21122
    Pathological Conditions, Signs and Symptoms 13262
      Pathologic Processes 7934
        Chromosome Aberrations 2499
          Ring Chromosomes 0
            Chromosome 1 Ring 0
            Chromosome 10 Ring 0
            Chromosome 12 Ring 0
            Chromosome 13 Ring 0
            Chromosome 15 Ring 0
            Chromosome 17 Ring 0
            Chromosome 18 Ring 0
            Chromosome 19 Ring 0
            Chromosome 21 Ring 0
            Chromosome 22 Ring 0
            Chromosome 6 Ring Syndrome 0
            Chromosome 7 Ring Syndrome 0
            Chromosome 8 Ring 0
            Chromosome 9 Ring 0
            Ring Chromosome 14 Syndrome 0
            Ring Chromosome 20 Syndrome 0
            Ring Chromosome 4 Syndrome 0
paths to the root