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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 a nonagouti 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 chr 2:154,792,519...154,892,932
Ensembl chr 2:154,633,322...154,892,932
Ensembl chr 2:154,633,322...154,892,932
JBrowse link
G Defb14 defensin beta 14 ISO Coat colour, dominant black OMIA PMID:12692166 PMID:15649147 PMID:17483404 PMID:17947548 PMID:19197024 More... NCBI chr 8:19,213,172...19,245,325
Ensembl chr 8:19,244,373...19,245,228
JBrowse link
G Mc1r melanocortin 1 receptor ISO Coat colour, melanistic mask OMIA PMID:12692165 PMID:21353269 PMID:29932470 PMID:33672409 PMID:34751460 NCBI chr 8:124,133,821...124,137,483
Ensembl chr 8:124,133,846...124,137,483
JBrowse link
G Pmel premelanosome protein ISO Coat colour, merle OMIA PMID:330141 PMID:340189 PMID:418699 PMID:3099512 PMID:3998446 More... NCBI chr10:128,531,757...128,556,107
Ensembl chr10:128,540,064...128,556,107
JBrowse link
G Psmb7 proteasome (prosome, macropain) subunit, beta type 7 ISO Coat colour, harlequin OMIA PMID:3270445 PMID:3998446 PMID:18513894 PMID:21256207 PMID:31658272 More... NCBI chr 2:38,478,058...38,533,964
Ensembl chr 2:38,478,048...38,534,099
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 chr15:101,151,788...101,172,676
Ensembl chr15:101,152,150...101,172,676
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  vertebrate trait 6
    organ system trait 6
      alimentary system trait + 0
      circulatory system trait + 0
      endocrine/exocrine system trait + 0
      hemolymphoid system trait + 1
      immune system trait + 1
      integumentary system trait + 5
      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