After the gut releases serotonin into blood, serotonin travels to bone-forming cells and stops them from growing.
消化道释放复合胺到血液中以后，复合胺到达成骨细胞，阻止他们的生长。
The researchers are now testing the designer scaffold with a variety of cells, including tooth, bone, heart, liver, cartilage, skin, pancreas, blood cells and artery-forming cells.
研究者现在用各种细胞来检验设计框架，包括牙齿、骨骼、心脏、肝脏、软骨、皮肤、胰腺、血细胞和动脉形成细胞。
The researchers found a way to transplant new blood-forming stem cells into the bone marrow of mice, effectively replacing their immune systems.
研究人员发现一种将新成血干细胞移植到小鼠骨髓中的途径可以有效的代替原免疫系统。
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