tube nucleus


tube nucleus

noun

Definition of TUBE NUCLEUS

:  the one of the two nuclei formed by mitotic division of a microspore during the formation of a pollen grain that is held to control subsequent growth of the pollen tube and that does not divide again — compare generative nucleus

First Known Use of TUBE NUCLEUS

1939

Browse

Next Word in the Dictionary: tube of Bellini
Previous Word in the Dictionary: tube–nosed bat
All Words Near: tube nucleus

Seen & Heard

What made you want to look up tube nucleus? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More