tube nucleus
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.tube nucleus
nounDefinition 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
See First Known Use of TUBE NUCLEUS
1939
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