1) Cell nucleus 2) Karyon 3) Nucleus
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https://www.crosswordclues.com/clue/pronucleus
A pronucleus (plural: pronuclei) is the nucleus of a sperm or an egg cell during the process of fertilization, after the sperm enters the ovum, but before they fuse. Sperm and egg cells are haploid, meaning they carry half the number of chromosomes. The male and female pronuclei don`t fuse, although their genetic material do. Instead, their membr....
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http://en.wikipedia.org/wiki/Pronucleus
• (n.) One of the two bodies or nuclei (called male and female pronuclei) which unite to form the first segmentation nucleus of an impregnated ovum.
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http://thinkexist.com/dictionary/meaning/pronucleus/
(from the article `fertilization`) After its entry into the egg cytoplasm, the spermatozoal nucleus, now called the male pronucleus, begins to swell, and its chromosomal material ... ...of gametic nuclei rather than independent gamete cells. A zygotic, or fusion, nucleus, not a true zygote, is produced and undergoes a series of ... ....
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http://www.britannica.com/eb/a-z/p/120
The nucleus of a sperm or an (egg) prior to fertilization. Sperm and egg cells carry half the number of chromosomes of other nonreproductive cells. When the pronucleus of a sperm fuses with the pronucleus of an egg, their chromosomes combine and become part of a single nucleus in the resulting embr...
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http://www.daviddarling.info/encyclopedia/P/pronucleus.html
Either of the two haploid gamete nuclei just prior to their fusion in the fertilized ovum.
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http://www.encyclo.co.uk/local/20095
<molecular biology> Haploid nucleus resulting from meiosis. ... In animals the female pronucleus is the nucleus of the ovum before fusion with the male pronucleus. The male pronucleus is the sperm nucleus after it has entered the ovum at fertilization but before fusion with the female pronucleus. ... In plants the pronuclei are the two male n...
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http://www.encyclo.co.uk/local/20973
(pro-noo´kle-әs) the haploid nucleus of a germ cell. female pronucleus the haploid nucleus of the fully mature oocyte, which loses its nuclear envelope and liberates its chromosomes to meet the synapsis with those from the male pronucleus. male pronucleus ...
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http://www.encyclo.co.uk/local/21001
The nucleus of a sperm or egg prior to fertilization.
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http://www.encyclo.co.uk/local/22391
Haploid nucleus resulting from meiosis. In animals the female pronucleus is the nucleus of the ovum before fusion with the male pronucleus. The male pronucleus is the sperm nucleus after it has entered the ovum at fertilization but before fusion with the female pronucleus. In plants the pronuclei are the two male nuclei found in the pollen tube.
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http://www.encyclo.co.uk/visitor-contributions.php
Pro·nu'cle·us noun ;
plural Pronuclei (-ī). [ New Latin See
Pro- , and
Nucleus .]
(Biol.) One of the two bodies or nuclei (called
male and
female pronuclei ) which unite to form the first segmentation nucleus of an impregnated ovum. » I...
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http://www.encyclo.co.uk/webster/P/174
Type: Term Pronunciation: prō-nū′klē-ŭs, -klē-ī Definitions: 1. One of a pair of nuclei undergoing fusion in karyogamy. 2. In embryology, the nuclear material of the head of the sperm (male pronucleus) or of the oocyte (female pronucleus), after the oocyte has been penetrated by the sperm; each pronucleus normall...
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http://www.medilexicon.com/medicaldictionary.php?t=72755
Pronucleus: A cell nucleus with a haploid set of chromosomes (23 chromosomes in humans) resulting from meiosis (germ-cell division). The male pronucleus is the sperm nucleus after it has entered the ovum at fertilization but before fusion with the female pronucleus. Similarly, the female pronucleus is the nucleus of the ovum before fusion with the ...
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http://www.medterms.com/script/main/art.asp?articlekey=5066
[
n] - the nucleus of the ovum or sperm after fertilization but before they fuse to form the nucleus of the zygote
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http://www.webdictionary.co.uk/definition.php?query=pronucleus
noun the nucleus of the ovum or sperm after fertilization but before they fuse to form the nucleus of the zygote
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https://www.encyclo.co.uk/local/20974
either of the gametic nuclei that unite in fertilization to form the nucleus of the zygote.
Found on
https://www.infoplease.com/dictionary/pronucleus
No exact match found.
