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发现的造血干细胞的捐献。
That is why, after birth, placental and umbilical cord blood can be used as a source of stem cells for transplantation. 这就是为什么婴儿出生后胎盘和脐带血能够作为移植造血干细胞的来源。
