pronucleus

[ proh-noo-klee-uhs, -nyoo- ]

noun,plural pro·nu·cle·i [proh-noo-klee-ahy, -nyoo-]. /proʊˈnu kliˌaɪ, -ˈnyu-/. Cell Biology.
  1. either of the gametic nuclei that unite in fertilization to form the nucleus of the zygote.

Origin of pronucleus

1
From New Latin, dating back to 1875–80; see origin at pro-1, nucleus

Words Nearby pronucleus

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How to use pronucleus in a sentence

British Dictionary definitions for pronucleus

pronucleus

/ (ˌprəʊˈnjuːklɪəs) /


nounplural -clei (-klɪˌaɪ)
  1. the nucleus of a mature ovum or spermatozoan before fertilization

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