nucleole

from WordNet (r) 3.0 (2006)

nucleole
    n 1: a small round body of protein in a cell nucleus; such
         organelles contain RNA and are involved in protein
         synthesis [syn: {nucleolus}, {nucleole}]

from The Collaborative International Dictionary of English v.0.48

Nucleole \Nu"cle*ole\, n. [See {Nucleolus}.]
   The nucleus within a nucleus; nucleolus.
   [1913 Webster]

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