Umbilical cords provide two distinct resources: blood-derived HSCs for blood...

https://zulu-wiki.win/index.php/Understanding_CAR_T-Cell_Therapy_and_the_Role_of_Umbilical_Cord_Derivatives_in_Modern_Hematology

Umbilical cords provide two distinct resources: blood-derived HSCs for blood disorders and tissue-derived MSCs for regenerative research. You must collect these cells immediately after birth for viability. Clinicians use these to advance medicine.