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The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories ( For more information about these ontologies, see the MGI Publications Page at

Term:abnormal T follicular helper cell morphology
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Accession:MP:0010184 term browser browse the term
Definition:any structural anomaly of a CD4-positive, CXCR5-positive, CCR7-negative alpha-beta T cell located in follicles of secondary lymph nodes that expresses high levels of BCL-6, ICOS and PD1 and stimulate follicular B cells to undergo class-switching and antibody production
Synonyms:xref: CL:0002038

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  mammalian phenotype 5373
    immune system phenotype 492
      abnormal immune system morphology 187
        abnormal immune system cell morphology 147
          abnormal leukocyte morphology 147
            abnormal mononuclear cell morphology 120
              abnormal lymphocyte morphology 98
                abnormal T cell morphology 68
                  abnormal effector T cell morphology 23
                    abnormal CD4-positive, alpha beta T cell morphology 17
                      abnormal CD4-positive helper T cell morphology 1
                        abnormal T follicular helper cell morphology 0
                          abnormal T follicular helper cell differentiation 0
                          abnormal T follicular helper cell number + 0
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