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Medical Term:


Pronunciation: en′dō-spōr


  1. A resistant body formed within the vegetative cells of some bacteria, particularly those belonging to the genera Bacillus and Clostridium.
  2. A fungus spore borne within a cell or within the tubular end of a sporophore as in the spherule of Coccidioides immitis.

[endo- + G. sporos, seed]