pronucleus
Americannoun
noun
Other Word Forms
Etymology
Origin of pronucleus
From New Latin, dating back to 1875–80; see origin at pro- 1, nucleus
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The egg is then exposed to a chemical that causes the remaining pronucleus to replicate, thus giving the cell a full complement of genes.
From Time Magazine Archive
Now the centrosome, which is beside the male pronucleus, shows signs of activity.
From The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity by Conn, H. W. (Herbert William)
In this way the centrosome approaches the female pronucleus, and thus finally the two nucleii are brought into close proximity.
From The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity by Conn, H. W. (Herbert William)
The egg nucleus, now known as the female pronucleus, and each body contain the reduced or haploid number of chromosomes.
From Being Well-Born An Introduction to Eugenics by Guyer, Michael F.
If this is true, the centrosome of the zygote nucleus must be entirely derived from that of the male pronucleus.
From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
