Skip to Content
Medical Term:


Pronunciation: spōr


  1. The asexual or sexual reproductive body of fungi or sporozoan protozoa.
  2. A cell of a plant lower in organization than the seed-bearing spermatophytic plants.
  3. A resistant form of certain species of bacteria.
  4. The highly modified reproductive body of certain protozoa, as in the phyla Microspora and Myxozoa.

[G. sporos, seed]