| 单词 | helper cell |
| 释义 | helper cell (once / 11819311 pages) n WORD FAMILY helper cell n T cell with CD4 receptor that recognizes antigens on the surface of a virus-infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus Syn|Hyper CD4 T cell, CD4 cell, helper T cell T cell, T lymphocyte a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells |
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