cord blood

American

noun

blood from the placenta drawn through the newly severed umbilical cord, collected for study or for possible transfusion to treat disease in the child.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Dylan needed a stem cell transplant and, after his parents were ruled out as donors, a suitable cord blood match was found.

From BBC • Jan. 28, 2026

On the other hand, a 2020 study that measured acetaminophen in umbilical cord blood did find a dose-dependent association with autism.

From Slate • Sep. 26, 2025

The only stem cell products the FDA has approved for use are stem cells extracted from umbilical cord blood, and then only for rare blood disorders.

From Los Angeles Times • Jan. 17, 2025

The combination approach centers on mesenchymal stromal cells, which are found in various tissues in the body, including bone marrow, fat tissue and umbilical cord blood.

From Science Daily • Apr. 1, 2024

The level of estimated pollution exposure strongly correlated with the level of black carbon found in the placenta samples and in cord blood, which accumulates in the umbilical cord.

From Salon • Oct. 13, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023