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sphingosine

[ sfing-guh-seen, -sin ]

noun

, Biochemistry.
  1. a basic unsaturated amino alcohol, C 1 8 H 3 3 (OH) 2 NH 2 , produced by the hydrolysis of sphingomyelin or gangliosides.


sphingosine

/ -ˌsiːn; ˈsfɪŋɡəsɪn /

noun

  1. biochem a long-chain compound occurring in sphingomyelins and cerebrosides, and from which it can be released by hydrolysis. Formula: CH 3 (CH 2 ) 12 CH:CHCH(OH)CH(NH 2 )CH 2 OH
“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 sphingosine1

1881; earlier sphingosin, equivalent to sphingo-, combining form representing Greek sphínx sphinx + intrusive -s- + -in 2; so called in allusion to the enigmas it posed for its discoverer
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Word History and Origins

Origin of sphingosine1

from sphingos- , from Greek sphingein to hold fast + -ine ²

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sphingomyelinsphinx