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Definition of "heterologous" [het•er•ol•o•gous]

  • Derived from a different species: a heterologous graft. (adjective)
  • Of or relating to cytologic or histological elements not normally occurring in a designated part of the body. (adjective)
  • Immunologically related but not identical. Used of certain cells and antiserums. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "heterologous" in a sentence
  • "In a narrower sense of the word heterologous new formations are alone destructive."
  • "On the other hand, every kind of heterologous formation whenever it has not its seat in entirely superficial parts, has a certain degree of malignity, and even superficial affections, though entirely confined to the most external layers of epidermis, may gradually exercise a very detrimental effect."
  • "Black SB, Cherry JD, Shinefield HR, et al. Apparent decreased risk of invasive bacterial disease after heterologous childhood immunization."