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

Every test pointed towards a perfect match: blood type, tissue type, and a blood serum antibody crossmatch that indicated Richard’s body would accept one of Ed’s kidneys. —Allan Chernoff, Hartford Courant, 16 Jan. 2025

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

Word History

First Known Use

1801, in the meaning defined above

Rhymes for blood serum

• variorum
• antiserum
• theorem
• thiram

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

noun

: serum sense a(1)