blood blood 血 umbilical cord blood BTO:0004053 CALOHA:TS-1079 Cord blood is collected because it contains stem cells, which can be used to treat hematopoietic and genetic disorders.[WP] EFO:0001942 MESH:D005312 UBERON:0012168 blood that remains in the placenta and in the attached umbilical cord after childbirth[WP]. cord blood fetal blood uberon umbilical cord blood