Umbilical cord blood stem cells, also known as hematopoietic stem cells, are blood-forming cells found in the blood remaining in the umbilical cord and placenta after a baby is born. These stem cells have the ability to self-renew and differentiate into various blood cell types.

Why this matters

Used in treating blood disorders, immune deficiencies, and certain cancers.

LINK: https://pubmed.ncbi.nlm.nih.gov/15582545/