primary endosperm nucleus

noun

: the nucleus formed by the fusion of two polar nuclei in the embryo sac of a seed plant prior to fertilization

called also secondary nucleus

compare endosperm nucleus

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Dictionary Entries Near primary endosperm nucleus

Cite this Entry

“Primary endosperm nucleus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/primary%20endosperm%20nucleus. Accessed 4 Oct. 2024.

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