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lysosome

[lahy-suh-sohm] /ˈlaɪ səˌsoʊm/
noun, Cell Biology
1.
a cell organelle containing enzymes that digest particles and that disintegrate the cell after its death.
Origin
1950-1955
1950-55; lyso- + -some3
Related forms
lysosomal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for lysosome

lysosome

/ˈlaɪsəˌsəʊm/
noun
1.
any of numerous small particles, containing digestive enzymes, that are present in the cytoplasm of most cells
Derived Forms
lysosomal, adjective
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 Origin and History for lysosome
n.

1955, from lyso- + -some (3).

Online Etymology Dictionary, © 2010 Douglas Harper
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lysosome in Medicine

lysosome ly·so·some (lī'sə-sōm')
n.
A membrane-bound organelle in the cytoplasm of most cells containing various hydrolytic enzymes that function in intracellular digestion.


ly'so·so'mal adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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lysosome in Science
lysosome
  (lī'sə-sōm')   
A cell organelle that is surrounded by a membrane, has an acidic interior, and contains hydrolytic enzymes that break down food molecules, especially proteins and other complex molecules. Lysosomes fuse with vacuoles to digest their contents. The digested material is then transported across the organelle's membrane for use in or transport out of the cell. See more at cell.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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