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The Vertebrate Trait Ontology (VT) is being developed as a collaborative effort between the Rat Genome Database at the Medical College of Wisconsin (RGD,, Mouse Genome Informatics at the Jackson Laboratory ( and the Animal QTL database at Iowa State University ( For more information about this vocabulary, or to request additions or changes, please contact us (

Term:organ system trait
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Accession:VT:0015074 term browser browse the term
Definition:Any measurable or observable characteristic of an anatomical group that has as its parts distinct anatomical structures interconnected by anatomical structures at a lower level of granularity.
Synonyms:xref: CARO:0000011;   TAO:0001439

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coat/hair pigmentation trait term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Asip agouti signaling protein ISO Coat colour, saddle tan vs black-and-tan
Coat colour, agouti
OMIA PMID:8202545 PMID:12692166 PMID:15520882 PMID:15965787 PMID:17630272 More... NCBI chrNW_004955422:27,021,810...27,150,339
Ensembl chrNW_004955422:27,020,386...27,057,626
JBrowse link
G Pmel premelanosome protein ISO Coat colour, merle OMIA PMID:330141 PMID:340189 PMID:418699 PMID:3099512 PMID:3998446 More... NCBI chrNW_004955458:3,544,855...3,555,453
Ensembl chrNW_004955458:3,544,961...3,554,619
JBrowse link
G Psmb7 proteasome 20S subunit beta 7 ISO Coat colour, harlequin OMIA PMID:3270445 PMID:3998446 PMID:18513894 PMID:21256207 PMID:31658272 More... NCBI chrNW_004955419:3,706,273...3,761,603
Ensembl chrNW_004955419:3,706,226...3,761,780
JBrowse link
macrophage migration trait term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Nr4a1 nuclear receptor subfamily 4 group A member 1 ISO RGD PMID:24722447 RGD:12910103 NCBI chrNW_004955547:2,404,532...2,426,882
Ensembl chrNW_004955547:2,404,532...2,431,050
JBrowse link

Term paths to the root
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Term Annotations click to browse term
  vertebrate trait 4
    organ system trait 4
      alimentary system trait + 0
      circulatory system trait + 0
      endocrine/exocrine system trait + 0
      hemolymphoid system trait + 1
      immune system trait + 1
      integumentary system trait + 3
      muscular system trait + 0
      nervous/sensory system trait + 0
      reproductive system trait + 0
      respiratory system trait + 0
      urinary system trait + 0
paths to the root