sensory organ precursor cells |
Sentrin |
Requiem |
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[sentinel cell]
a very general term for any cell type that plays a prominent role in host defense by sensing and monitoring the presence of foreign antigens. Processing of these antigens and recognition by appropriate immune effector cells such as B-cells and T-cells eventually initiates humoral and cell-mediated immune responses. The term thus comprises specialized cell types such as antigen-presenting cells, macrophages, mast cells, dendritic cells, Langerhans cells and others and also includes specialized T-cell populations. The term may include also fibroblasts, epithelial cells (for example, mesothelial cells
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