淋巴细胞的干细胞，在胎生期来自肝脏，出生后则由骨髓产生。
The stem cells of lymphocytes are in the liver in fetal development and in the bone marrow in postnatal life.
他们发现这种敲除基因的小鼠骨髓中的淋巴细胞较正常鼠少50%，产生特异免疫细胞的胸腺较正常鼠少80%。
They found that the knockout mice had 50 percent fewer lymphocytes in their bone marrow and 80 percent fewer in their thymus, a collection of glands that helps produce specialized immune cells.
骨髓是骨的疏松部分，血细胞和淋巴细胞都在其中产生。
Marrow is the spongy center of bones where blood cells and lymphocytes are formed.
骨髓产生的不同类型的细胞包括红细胞、血小板、淋巴细胞和其他的白细胞。
The different types of cells made in the marrow are red cells, platelets, lymphocytes and several other types of white cells.
骨髓产生的不同类型的细胞包括红细胞、血小板、淋巴细胞和其他的白细胞。
The different types of cells made in the marrow are red cells, platelets, lymphocytes and several other types of white cells.
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