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单词 macronucleus
释义

WordReference Random House Unabridged Dictionary of American English © 2024
mac•ro•nu•cle•us  (mak′rō no̅o̅klē əs, -nyo̅o̅-),USA pronunciation n. [Biol.]
  1. Microbiologythe larger of the two types of nuclei occurring in ciliate protozoans, having a multiple set of chromosomes and functioning in cell metabolism and protein synthesis. Cf. micronucleus. 
  • Neo-Latin; see macro-, nucleus
  • 1890–95
mac′ro•nucle•ar, adj. 

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