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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
Our group is currently working on using blood serum to identify proteins that could be involved with breast cancer.
—Danielle Whitham, Discover Magazine, 22 Mar. 2024
Chang and his coauthors also analyzed samples of blood serum from humans with lupus, dermatomyositis and systemic sclerosis and compared them with samples from people without autoimmune disease.
—Katie Hunt, CNN, 9 Feb. 2024
For flu, monitoring antigenic drift involves conducting a slew of blood serum tests in the lab and looking for patterns in the data.
—IEEE Spectrum, 1 Feb. 2022
Mayo is collecting blood serum samples stored at blood banks from another 2,000 to 3,000 patients who received convalescent plasma to expand its recent findings that high-dose plasma infusions had a greater impact on COVID-19 mortality than low-dose infusions.
—Jeremy Olson, Star Tribune, 20 Aug. 2020
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Word History
First Known Use
1801, in the meaning defined above
Dictionary Entries Near blood serum
Cite this Entry
“Blood serum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20serum. Accessed 22 Dec. 2024.
Kids Definition
blood serum
noun
: blood plasma from which certain substances (as fibrinogen) involved in the clotting of blood have been removed
Medical Definition
blood serum
nounMore from Merriam-Webster on blood serum
Britannica.com: Encyclopedia article about blood serum
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