Hematopoietic stem cells的用法和樣例：
例句
- She probably received a donation of blood stem cells, like those found in bone marrow.
她大概接受了那些在骨髓中被發(fā)現的造血干細胞的捐獻。 - That is why, after birth, placental and umbilical cord blood can be used as a source of stem cells for transplantation.
這就是為什么嬰兒出生后胎盤(pán)和臍帶血能夠作為移植造血干細胞的來(lái)源。
