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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
blood activated T lymphocyte count 
blood CD25 cell count +  
blood CD4 cell count +  
Measurement of the number of lymphocytes expressing the CD4 antigen on their surface in a specified volume of whole blood. CD4 is a membrane glycoprotein found primarily on T lymphocytes, but also can be expressed on B cells, macrophages, and granulocytes. On T cells it is a co-receptor for the T cell receptor (TCR), interacts with MHC class II antigens, and functions to initiate or augment the early phase of T-cell activation.
blood CD8 cell count +   
blood natural killer T cell count 
blood R73 cell count +  
blood regulatory T cell count +  
blood RT6.1 cell count +  
blood RT6.2 cell count 
blood T lymphocyte count to total leukocyte count ratio 
blood T lymphocyte count to total lymphocyte count ratio +  

Synonyms
Exact Synonyms: CD4(+) cell count ;   CD4+ cell count
Alternate IDs: CMO:0000602
Definition Sources: http://en.wikipedia.org/wiki/CD4 "Wikipedia" "Wikipedia", ISBN:978-0323057479, Mosby:Mosbys_Manual_of_Diagnostic_and_Laboratory_Tests--4th_Ed, RGD:735603

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