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nuclei
 
Noun nucleus has 5 senses
  1. nucleus, cell nucleus, karyon - a part of the cell containing DNA and RNA and responsible for growth and reproduction
    --1 is a kind of organelle, cell organ
    --1 is a part of cell
    --1 has parts:
     nucleolus, nucleole; chromatin, chromatin granule; achromatin; linin; chromosome
     --1 has substances: nucleoplasm, karyoplasm
    --1 has particulars: pronucleus; subthalamic nucleus
    Derived form: verb nucleate1
  2. nucleus - the positively charged dense center of an atom
    --2 is a kind of     center, centre, midpoint
    --2 is a part of atom
    --2 has part: nucleon
  3. core, nucleus, core group - a small group of indispensable persons or things; "five periodicals make up the core of their publishing program"
    --3 is a kind of set
    --3 has particulars: cadre
  4. nucleus - (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
    --4 is a kind of     center, centre, midpoint
    --4 is a part of comet
  5. nucleus - any histologically identifiable mass of neural cell bodies in the brain or spinal cord
    --5 is a kind of     neural structure
    --5 has particulars: dentate nucleus
nuclear transplantation nuclear warhead nuclear weapon nuclear winter nucleas nuclease nucleate nucleated nuclei nucleic nucleic acid nucleocapsid nucleolar organiser nucleolar organizer nucleole nucleolus nucleolus organiser

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