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Progenitor cells that migrate from the bone marrow to the thymus are not yet committed to the T cell lineage. T cell lineage commitment occurs as a result of signals received by the progenitor cell from thymic epithelial cells.
Q2: Which of the following anatomic regions is
Q3: Important for attracting B cells and Tfh
Q4: Nitric oxide and superoxide radicals are toxic
Q6: The most common averse effects of anti-PD-1
Q7: While B cells and T cells differ
Q8: A small chemical group recognized by an
Q17: 26) Epidemiological evidence has indicated that exposure
Q18: If the Laspeyres index is 140.78 and
Q20: The cellular distribution of MHC class I
Q26: The formation of the C3 convertase is