It was the first place where the concept of stem cells was developed, in that if one looks carefully one can find immature cells in the bone marrow.

这是干细胞概念的发祥地,如果仔细观察造血系统,就能找到骨髓中的未成熟细胞

耶鲁公开课 - 生物医学工程探索课程节选

It was the first place where the concept of stem cells was developed, in that if one looks carefully one can find immature cells in the bone marrow.

这是干细胞概念的发祥地,如果仔细观察造血系统,就能找到骨髓中的未成熟细胞

耶鲁公开课 - 生物医学工程探索课程节选