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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

The space inside the thylakoid membranes is called the thylakoid space.

From Textbooks ● Jun. 9, 2022

Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.

From Textbooks ● Jun. 9, 2022

Random Word

Spin the wheel and learn a new word!

Get a word

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