pronucleus

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Definitions from WordNet

Noun pronucleus has 1 sense

pronucleus - the nucleus of the ovum or sperm after fertilization but before they fuse to form the nucleus of the zygote
--₁ is a kind of nucleus, cell nucleus, karyon

Definitions from the Web

Pronucleus

Definition:

A pronucleus refers to a nucleus occurring in a reproductive cell, especially during the early stages of fertilization.

Sample Sentences:

Noun:

The fusion of the male and female pronuclei is a crucial step in the fertilization process.
After insemination, the female pronucleus prepares for its fusion with the male pronucleus.

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