The coiled filament in which the genes are located, which extends the entire length of a chromosome and exhibits an intensely positive Feulgen test for DNA. SYN: chromatic fiber. [chromo- + G. nema, thread]
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chro·mo·ne·mat·ic -ni-'mat-ik or chro·mo·ne·mal -'nē-məl or chro·mo·ne·ma·tal -'nē-mət-əl, -'nem-ət- adj
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chro·mo·ne·ma (kro″mo-neґmə) pl. chromoneґmata [chromo- + nema] the coiled central thread of a chromatid, as opposed to the more densely coiled chromomere regions. chromonemal adjMedical dictionary. 2011.