| 释义 |
干细胞gànxìbāo一切血细胞的原始细胞。主要分布于骨髓中,脾内也有少量存在,外形像小淋巴细胞。其中一部分可在一定激素的刺激下,向一定方向分裂、分化,形成红细胞、淋巴细胞等不同的血细胞。{stem cell; cell from which all other blood cells arise, and which is found mainly in the bone marrow, and in a small quantity in the spleen. Some stem cells, stimulated by certain hormones, split and develop into various kinds of blood cells such as red cells and lymphocytes.} |