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[thahy-luh-koid] /ˈθaɪ ləˌkɔɪd/
noun, Cell Biology.
a flattened sac or vesicle lined with a pigmented membrane that is the site of photosynthesis, in plants and algae occurring in interconnected stacks constituting a granum of the chloroplast, and in other photosynthesizing organisms occurring either singly or as part of the cell membrane or other structure.
Origin of thylakoid
1965-70; < German Thylakoid < Greek thȳlakoeidḗs resembling a bag, equivalent to thȳ́lak(os) sack + -oēidēs -oid Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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thylakoid in Science
A saclike membrane that contains the chlorophyll in cyanobacteria and in the chloroplasts of plant cells and green algae. In chloroplasts, thylakoids are arranged in stacks called grana.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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