单词 | parachromatin |
释义 | parachromatinnoun 1 Cell Biol. an achromatic substance of a nucleus (now rare ). 2 Genetics (R. A. Brink's name for) the regulatory, as opposed to the structural, components of a chromosome. OriginLate 19th century; earliest use found in American Naturalist. From para- + chromatin, after German Parachromatin. |
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