The irregular network or rows of fine ribonucleoprotein granules or microfilaments forming most of the nucleolus. [nucleolus + G. nema, thread]
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nu·cle·o·lo·ne·ma (.)n(y)ü-.klē-ə-lə-'nē-mə also nu·cle·o·lo·neme -'klē-ə-lə-.nēm pl -nemas or -ne·ma·ta -'nē-mət-ə also -nemes a filamentous network consisting of small granules in some nucleoli
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nu·cleo·lo·ne·ma (noo″kle-o″lo-neґmə) [nucleolus + Gr. nēma thread] a network of strands formed by organization of fine ribonucleoprotein granules in the nucleolus of a cell.Medical dictionary. 2011.