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Ontology Browser

Parent Terms Term With Siblings Child Terms
blood CD4+ T helper cell count +  
The number of CD4-positive T helper lymphocytes in a specified volume of blood. Th cells are differentiated T lymphocytes which express the CD4 (also known as the T4 antigen) on their surface and cooperate with other lymphocytes, e.g. with B lymphocytes in the synthesis of antibody to many antigens; they play an integral role in immunoregulation.
blood CD45RC CD4 T cell count +  
calculated blood CD4 cell count +  

Exact Synonyms: CD4-positive T-lymphocyte count
Related Synonyms: Th cell count ;   helper T cell count
Xrefs: EFO:0010105
Definition Sources: Dorland:Dorlands_Illustrated_Medical_Dictionary--31st_Ed, ISBN:978-1416049982

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