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histogen

[ his-tuh-juhn, -jen ]

noun

, Botany.
  1. a region in a plant in which tissues differentiate.


histogen

/ ˈhɪstəˌdʒɛn /

noun

  1. (formerly) any of three layers in an apical meristem that were thought to give rise to the different parts of the plant: the apical meristem is now regarded as comprising two layers See corpus tunica
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of histogen1

First recorded in 1920–25; histo- + -gen
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Example Sentences

Histog′eny, the formation and development of tissues—also Histogen′esis; Histog′raphy, a description of the tissues.

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histodialysishistogenesis