chromatid n. [Gr. chroma, color] One of two spiral filaments that make up a chromosome, and separate in cell division, each going to a different pole of the dividing cell and each becoming a daughter chromosome at anaphase in mitosis.
chromatin n. [Gr. chroma, color] The more readily stainable substance in the cell nucleus; karyotin. see euchromatin, heterochromatin.
chromatin body (ARTHRO: Insecta) A special rDNA containing body in the oocyte nucleus during early oogenesis of dytiscid water beetles; body of Giardini.
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