blood serum
noun
: the clear yellowish fluid that remains from blood plasma after clotting factors (such as fibrinogen and prothrombin) have been removed by clot formation
Examples of blood serum in a Sentence
Recent Examples on the Web
Of the 25 people who received blood serum testing, one asymptomatic veterinary professional showed evidence of a H5N1 infection after exposure to a cat infected with the disease.
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Christopher Edwards, PEOPLE, 14 May 2026
The defense has argued that, instead of testing a whole blood sample from Higgins, a sample of his blood serum was used, which led to a higher BAC.
—Hailey Salvian, New York Times, 11 May 2026
In the study, the U.K. researchers exposed colon cancer cells to human blood serum collected immediately after exercise, finding that the cells repaired DNA damage faster and showed gene activity patterns linked to slower growth.
—Kelly McGreal, FOXNews.com, 8 Jan. 2026
The roles of smoking and THC A separate analysis added blood serum from cannabis smokers and edible users to commercially purchased cultures of endothelial cell in the laboratory.
—Sandee Lamotte, CNN Money, 28 May 2025
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Christopher Edwards, PEOPLE, 14 May 2026
The defense has argued that, instead of testing a whole blood sample from Higgins, a sample of his blood serum was used, which led to a higher BAC.
—Hailey Salvian, New York Times, 11 May 2026
In the study, the U.K. researchers exposed colon cancer cells to human blood serum collected immediately after exercise, finding that the cells repaired DNA damage faster and showed gene activity patterns linked to slower growth.
—Kelly McGreal, FOXNews.com, 8 Jan. 2026
The roles of smoking and THC A separate analysis added blood serum from cannabis smokers and edible users to commercially purchased cultures of endothelial cell in the laboratory.
—Sandee Lamotte, CNN Money, 28 May 2025
See All Example Sentences for blood serum
Cite this Entry
“Blood serum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20serum. Accessed 16 May. 2026.
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