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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:immune system morphology trait
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Accession:VT:0000685 term browser browse the term
Definition:Any measurable or observable characteristic related to the shape, structure, color, or pattern of the organs or cells associated with the body's defense against foreign organisms or substances and aberrant native cells.
Synonyms:related_synonym: lymphoid system morphology trait;   lymphopoietic system morphology trait

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  vertebrate trait 5
    organ system trait 5
      immune system trait 0
        immune system morphology trait 0
          immune system cell morphology trait + 0
          immune system organ morphology trait + 0
          lymphatic vessel morphology trait + 0
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