alloantibody
noun
al·lo·an·ti·body
ˌa-lō-ˈan-ti-ˌbä-dē 
: an antibody produced following introduction of an alloantigen into the system of an individual of a species lacking that particular antigen
Cite this Entry
“Alloantibody.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alloantibody. Accessed 6 Feb. 2026.
Copy CitationMedical Definition
alloantibody
noun
al·lo·an·ti·body
ˌal-ō-ˈant-i-ˌbäd-ē
plural alloantibodies
: an antibody produced following introduction of an alloantigen into the system of an individual of a species lacking that particular antigen
called also isoantibody
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