Umbilical cord blood carries hematopoietic stem cells for transplants, while...

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

Umbilical cord blood carries hematopoietic stem cells for transplants, while cord tissue offers mesenchymal stem cells for tissue repair. We collect these samples immediately after birth because timing directly determines cell viability.