Umbilical cord blood provides hematopoietic stem cells, while cord tissue...

https://emedicodiary.com/post/2217/from-birth-to-bedside-how-umbilical-cord-stem-cells-are-changing-modern-medicine

Umbilical cord blood provides hematopoietic stem cells, while cord tissue yields mesenchymal stem cells. Clinicians collect these samples immediately after birth because cell viability drops rapidly