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thylakoid

American

[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.

thylakoid Scientific

/ thī′lə-koid′ /

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.

Etymology

Origin of thylakoid

1965–70; < German Thylakoid < Greek thȳlakoeidḗs resembling a bag, equivalent to thȳ́lak ( os ) sack + -oēidēs -oid

Example Sentences

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See Examples For:

thylakoid

Firstly, the pH value of the medium surrounding the thylakoid membrane reacts highly dynamically to light changes.

From Science Daily ● Apr. 8, 2024

These structures, called thylakoid membranes, are the oldest ever discovered.

From Science Daily ● Jan. 5, 2024

This discovery puts into perspective the role of cyanobacteria with thylakoid membranes in early Earth oxygenation.

From Science Daily ● Jan. 5, 2024

Those hydrogen atoms, plus the ones produced by splitting water, accumulate in the thylakoid lumen and will be used to synthesize ATP in a later step.

From Textbooks ● Jun. 9, 2022

Energy travels through the electron transport chain, which pumps hydrogen ions into the thylakoid space.

From Textbooks ● Apr. 25, 2013

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023