Medical Dictionary
heterologous
adj het·er·ol·o·gous \ˌhet-ə-ˈräl-ə-gəs\
Medical Definition of HETEROLOGOUS
1
: derived from a different species <heterologous DNAs> <heterologous transplants>—compare autologous, homologous 2a
2
: characterized by cross-reactivity <a heterologous vaccine protects against pathogenic antigens that cross-react with antibodies induced by antigens in the vaccine>
—het·er·ol·o·gous·ly adverb
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