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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 chro·ma·tin /ˈkromətən/
 核染質,染色質

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 chro·ma·tin /ˈkromətən/ 名詞
 染色質

From: Webster's Revised Unabridged Dictionary (1913)

 Chro·ma·tin n.
 1. Biol. Tissue which is capable of being stained by dyes. [archaic]

From: Webster's Revised Unabridged Dictionary (1913)

 Chro·ma·tin n. Biol. The deeply staining substance of the nucleus and chromosomes of eukaryotic cells, composed of DNA and basic proteins (such as histones), the DNA of which comprises the predominant physical basis of inheritance.  It was, at the beginning of the 20th century, supposed to be the same substance as was then termed idioplasm or germ plasm.  In most eukaryotic cells, there is also DNA in certain plasmids, such as mitochondria, or (in plant cells) chloroplasts; but with the exception of these cytoplasmic genetic factors, the nuclear DNA of the chromatin is believed to contain all the genetic information required to code for the development of an adult organism.  In the interphase nucleus the chromosomes are dispersed, but during cell division or meiosis they are condensed into the individually recognizable chromosomes.  The set of chromosomes, or a photographic representation of the full set of chromosomes of a cell (often ordered for presentation) is called a karyotype.
 

From: WordNet (r) 2.0

 chromatin
      n : the readily stainable substance of a cell nucleus consisting
          of DNA and RNA and various proteins; during mitotic
          division the chromatin condenses into chromosomes [syn: chromatin
          granule]