tokens: We here summarize evidence that thymic atrophy induced by 2 , 3 , 7 , 8-tetrachlorodibenzo-p-dioxin ( TCDD ) can be mediated , at least in part , by damage to extrathymic T-cell precursors in bone marrow and fetal liver .
folded_tokens: we here summarize evidence that thymic atrophy induced by 2 , 3 , 7 , 8-tetrachlorodibenzo-p-dioxin ( tcdd ) can be mediated , at least in part , by damage to extrathymic t-cell precursors in bone marrow and fetal liver .
labels: O O O O O B-other_name I-other_name O O B-other_organic_compound I-other_organic_compound I-other_organic_compound I-other_organic_compound I-other_organic_compound I-other_organic_compound I-other_organic_compound O B-other_organic_compound O O O O O O O O O O O O O B-cell_type I-cell_type I-cell_type O B-tissue I-tissue O B-body_part I-body_part O