English edit

Etymology edit

plastid +‎ -ule

Noun edit

plastidule (plural plastidules)

  1. (biology) One of the small particles or organic molecules of protoplasm.
    • 1874, Ernst Haeckel, The Evolution of Man:
      The plastidule movements of the cytula are therefore the resultant of the united plastidule movements of the female egg-cell and of the male sperm-cell

References edit