In third and fourth pharyngeal pouch, thymus immune-system cells {T cell}| produce lymphokines from precursors. T cells can phagocytize foreign cells and viruses {cellular immunity, T cell}. Cytotoxic T cells absorb damaged cells.
cell surface
T cells have surface protein receptors. These glycoproteins can have alpha, beta, gamma, and delta subunits. Receptor genes for these proteins are similar to immunoglobulin genes. Immunoglobulin superfamily has similar constant, joining, diverse, and variable regions and similar promoters.
Biological Sciences>Zoology>Organ>Immune System>Cells>T Cell
4-Zoology-Organ-Immune System-Cells-T Cell
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Date Modified: 2022.0224