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spermine

[ spur-meen, -min ]

noun

, Biochemistry.
  1. a polyamine, H 2 N(CH 2 ) 3 NH(CH 2 ) 4 NH(CH 2 ) 3 NH 2 , formed from spermidine and occurring in all cells, especially prevalent in semen, sputum, pancreatic tissue, and certain yeasts.

spermine

/ -mɪn; ˈspɜːmiːn /

noun

  1. a white or colourless basic water-soluble amine that is found in semen, sputum, and animal tissues; diaminopropyltetramethylenediamine. Formula: C 10 H 26 N 4
“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 spermine1

First recorded in 1890–95; sperm- + -ine 2

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spermidinespermiogenesis

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