blood serum


Definition of blood serum

: 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

Eye drops made from your own blood (autologous blood serum drops) are an option for treating severe dry eye symptoms that don’t respond to other treatments, according to the Mayo Clinic. Korin Miller, SELF, "So Your Doctor Says You Have Dry Eye? Here Are 8 Treatment Options to Know," 13 Dec. 2018 Those with higher blood serum levels of vitamin D had between one-third and one-fifth of the risk of developing diabetes compared to those with lower levels of the nutrient. Amy Capetta, Woman's Day, "What Is Vitamin D Good For Anyway?," 19 Oct. 2018 Researchers checked blood serum for the main form of vitamin D in blood. Bradley J. Fikes,, "Vitamin D associated with lower risk of breast cancer, UCSD-led study finds," 15 June 2018 Of the 214 players examined, 126, or 59 percent, were found to have an abnormally low vitamin D level, as measured in blood serum. Bradley J. Fikes,, "Low vitamin D, muscle injuries linked in NFL prospects," 21 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blood serum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of blood serum

1801, in the meaning defined above

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Time Traveler for blood serum

The first known use of blood serum was in 1801

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More Definitions for blood serum

blood serum


Medical Definition of blood serum

More from Merriam-Webster on blood serum

Rhyming Dictionary: Words that rhyme with blood serum Encyclopedia article about blood serum

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a strong desire or propensity

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