isoagglutinin
noun
iso·ag·glu·ti·nin
ˌī-(ˌ)sō-ə-ˈglüt-ᵊn-ən 
: an antibody produced by one individual that causes agglutination of cells (as red blood cells) of other individuals of the same species
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“Isoagglutinin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/isoagglutinin. Accessed 4 Dec. 2025.
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