| English Dictionary |
PRONUCLEUS (pronuclei)
| Pronunciation (US): |  | (GB): | |
Dictionary entry overview: What does pronucleus mean?
• PRONUCLEUS (noun)
The noun PRONUCLEUS has 1 sense:
1. the nucleus of the ovum or sperm after fertilization but before they fuse to form the nucleus of the zygote
Familiarity information: PRONUCLEUS used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
The nucleus of the ovum or sperm after fertilization but before they fuse to form the nucleus of the zygote
Classified under:
Nouns denoting body parts
Hypernyms ("pronucleus" is a kind of...):
cell nucleus; karyon; nucleus (a part of the cell containing DNA and RNA and responsible for growth and reproduction)
Context examples
This strain is commonly used in the generation of transgenic mice due to the fact that the pronuclei of FVB/N fertilized oocytes are prominent, which allows for ease of microinjection.
(FVB/N Mouse, NCI Thesaurus)
B6C3F1 hybrid females are used as egg donors in the creation of transgenic mice as their breeding performance is robust and the pronuclei of their fertilized eggs are prominent, allowing for ease of microinjection.
(B6C3 Mouse, NCI Thesaurus)
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