autoantibody
noun
au·to·an·ti·body
ˌȯ-(ˌ)tō-ˈan-ti-ˌbä-dē 
: an antibody active against a tissue constituent of the individual producing it
Examples of autoantibody in a Sentence
Recent Examples on the Web
The health care provider will also run tests to find blood markers called autoantibodies, which help in confirming the diagnosis.
—
Kevin Deane, The Conversation, 23 Jan. 2026
This includes the child’s age and other factors like the presence of proteins called islet autoantibodies in the bloodstream.
—Dr. Brittany Bruggeman, Boston Herald, 16 Nov. 2025
This chronic inflammation may be caused by lingering traces of virus in the body or by misdirected antibodies, known as autoantibodies, that attack a person’s own cells and tissues.
—Emily Mullin, Wired News, 14 Nov. 2025
There would also need to be a system to remind families to get their child checked for autoantibodies at certain intervals.
—Rachel Nuwer, Scientific American, 14 Oct. 2025
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Kevin Deane, The Conversation, 23 Jan. 2026
This includes the child’s age and other factors like the presence of proteins called islet autoantibodies in the bloodstream.
—Dr. Brittany Bruggeman, Boston Herald, 16 Nov. 2025
This chronic inflammation may be caused by lingering traces of virus in the body or by misdirected antibodies, known as autoantibodies, that attack a person’s own cells and tissues.
—Emily Mullin, Wired News, 14 Nov. 2025
There would also need to be a system to remind families to get their child checked for autoantibodies at certain intervals.
—Rachel Nuwer, Scientific American, 14 Oct. 2025
See All Example Sentences for autoantibody
Cite this Entry
“Autoantibody.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autoantibody. Accessed 14 Feb. 2026.
Copy CitationMedical Definition
autoantibody
noun
au·to·an·ti·body
ˌȯt-(ˌ)ō-ˈant-i-ˌbäd-ē
plural autoantibodies
: an antibody active against a tissue constituent of the individual producing it
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