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

https://astro-wiki.win/index.php/What_does_it_mean_that_cord_blood_has_lower_MHC_antigen_density%3F

Umbilical cord blood provides hematopoietic stem cells, while tissue offers mesenchymal stem cells. We use these to treat blood disorders and support repair. Because cell quality peaks at birth, immediate collection remains essential.