sperm-aster

noun

: the centrosome and aster associated with the male pronucleus in the stage of fertilization preceding fusion of pronuclei and usually giving rise to the first cleavage spindle of the zygote

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“Sperm-aster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sperm-aster. Accessed 27 Nov. 2022.

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