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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - The nucleus of the ovum or sperm after fertilization but before they fuse to form the nucleus of the zygote.

Usage examples (22)
  • Now the centrosome, which is beside the male pronucleus, shows signs of activity.
  • In the process a pronucleus is formed which then combines with the female pronucleus.
  • In this way the centrosome approaches the female pronucleus, and thus finally the two nucleii are brought into close proximity.
  • The chromatin material, in both the male and female pronucleus, soon breaks up into a network in which it is no longer possible to see that each contains two chromosomes... for more
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