English word isoantigen comes from English antigen, English iso-
| Dictionary entry | Language | Definition |
|---|---|---|
| antigen | English (eng) | (immunology) A substance that induces an immune response, usually foreign. |
| iso- | English (eng) | (chemistry) forms terms relating to isomers. (mathematics) forms terms relating to isomorphisms. (organic chemistry) (of an aliphatic compound, especially a fatty acid) Having a branch on the penultimate carbon atom of a chain. (physics) forms terms relating to isotopes. Equal. |
| isoantigen | English (eng) | An immunologically active material (especially a protein or polysaccharide) that is present only in some individuals of a particular species; responsible for the formation of antibodies. |