Anatomy [A] » Cells [A11] » Blood Cells » Leukocytes » Leukocytes, Mononuclear » Lymphocytes » T-Lymphocytes » CD4-Positive T-Lymphocytes
Anatomy [A] » Hemic and Immune Systems [A15] » Blood » Blood Cells » Leukocytes » Leukocytes, Mononuclear » Lymphocytes » T-Lymphocytes » CD4-Positive T-Lymphocytes
Anatomy [A] » Hemic and Immune Systems [A15] » Immune System » Leukocytes » Leukocytes, Mononuclear » Lymphocytes » T-Lymphocytes » CD4-Positive T-Lymphocytes
Description
A critical subpopulation of T-lymphocytes involved in the induction of most immunological functions. The HIV virus has selective tropism for the T4 cell which expresses the CD4 phenotypic marker, a receptor for HIV. In fact, the key element in the profound immunosuppression seen in HIV infection is the depletion of this subset of T-lymphocytes. MeSH
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