Bone morphogenetic protein 4 (BMP4) is a crucial growth factor, which has vital function for the development of skeleton, nerve and haematogenesis, as well as for the differentiation of many organs.

• 骨形成蛋白4（bone morphogenetic protein 4，BMP4）是一个重要的生长因子，对胚胎早期骨骼、神经、造血系统的形成和各器官的分化发育具有重要作用。