pronucleus
1. [ noun ] (anatomy,zoology) the nucleus of the ovum or sperm after fertilization but before they fuse to form the nucleus of the zygote
Related terms: nucleus
Similar spelling:   princess
  principle
  principled
  Pringle
  prancer
  Principe
  princely
  prongbuck
  Princeton
  princess_pine
  princedom
  prince's_pine
  Praunus
  principal
  princewood