Hemopoietic pro-genitor cells, hematopoietic stem cells, hematopoietic microenvironment etc. show dose related damage after irradiaton, consequently, hematopoietic function is destroyed.

机体受到照射后,造血祖细胞、造血干细胞以及造血微环境等都会产生与照射剂量相关的损伤而影响造血机能。