heterologous

heterologous
1. Pertaining to cytologic or histologic elements occurring where they are not normally found. SEE ALSO: xenogeneic. 2. Derived from an animal of a different species, as the serum of a horse is h. for a rabbit. [hetero- + G. logos, ratio, relation]

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het·er·ol·o·gous .het-ə-'räl-ə-gəs adj
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 adv

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het·er·ol·o·gous (het″ər-olґə-gəs) [hetero- + Gr. logos due relation, proportion] 1. made up of tissue not normal to the part. 2. xenogeneic. 3. pertaining to antigen and antibody that are not homologous, i.e., the antigen is not the one that elicited the production of the antibody.

Medical dictionary. 2011.

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  • Heterologous — Het er*ol o*gous, a. [Hetero + Gr. ? proportion.] Characterized by heterology; consisting of different elements, or of like elements in different proportions; different; opposed to homologous; as, heterologous organs. [1913 Webster] {Heterologous …   The Collaborative International Dictionary of English

  • heterologous — [het΄ər äl′ə gəs] adj. [< HETERO + Gr logos, relation, word (see LOGIC) + OUS] 1. consisting of differing elements; not corresponding, as parts of different organisms or of the same organism that are unlike in structure or origin 2. Med. a)… …   English World dictionary

  • Heterologous — In medicine a heterologous transplant means between species or from one species to another .In protein quaternary structure a heterologous interface is a subunit subunit interface which occurs between different sequence regions of the protein… …   Wikipedia

  • heterologous — adjective Etymology: heter + logous (as in homologous) Date: 1893 derived from a different species < heterologous DNAs > < heterologous transplants > • heterologously adverb …   New Collegiate Dictionary

  • Heterologous stimulus — Heterologous Het er*ol o*gous, a. [Hetero + Gr. ? proportion.] Characterized by heterology; consisting of different elements, or of like elements in different proportions; different; opposed to homologous; as, heterologous organs. [1913 Webster]… …   The Collaborative International Dictionary of English

  • Heterologous tumor — Heterologous Het er*ol o*gous, a. [Hetero + Gr. ? proportion.] Characterized by heterology; consisting of different elements, or of like elements in different proportions; different; opposed to homologous; as, heterologous organs. [1913 Webster]… …   The Collaborative International Dictionary of English

  • Heterologous stimuli — Stimulus Stim u*lus, n.; pl. {Stimuli}. [L., for stigmulus, akin to L. instigare to stimulate. See {Instigare}, {Stick}, v. t.] 1. A goad; hence, something that rouses the mind or spirits; an incentive; as, the hope of gain is a powerful stimulus …   The Collaborative International Dictionary of English

  • heterologous stimulus — noun : a stimulus capable of affecting any available sensory end organ and thought to be further capable of being interpreted centrally as a stimulus of the kind to which the end organ is adapted to respond a blow on the eye acts as a… …   Useful english dictionary

  • heterologous — Derived from the tissues or DNA of a different species. cf autologous, homologous …   Dictionary of molecular biology

  • heterologous — /het euh rol euh geuhs/, adj. 1. Biol. of different origin; pertaining to heterology. 2. Med., Pathol. consisting of dissimilar tissue, as that of another species or that of a tumor. 3. Immunol. pertaining to an antigen that elicits a reaction in …   Universalium

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