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

https://bizzmarkblog.com/why-do-clinicians-say-stored-cells-still-need-case-by-case-assessment/

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