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endosome

American  
[en-duh-sohm] / ˈɛn dəˌsoʊm /

noun

Cell Biology.
  1. a smooth sac within the cell, formed by or fused with coated vesicles that shed their clathrin, in which ligands are separated from their receptors and from which the receptors are returned to the cell surface.


Etymology

Origin of endosome

endo- + -some 3

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:

"We spent a lot of time figuring out how these non-coding RNAs get to the endosome, since that's not where they usually reside," He explained.

From Science Daily Nov. 30, 2025

When accessible nutrients from the degradation of the vesicular contents have been extracted, the newly formed endosome merges with the plasma membrane and releases its contents into the extracellular fluid.

From Textbooks Jun. 9, 2022

Then it is engulfed in a hollow bubble called an endosome.

From Scientific American Feb. 11, 2022

Alternatively, after binding to ACE2, the virus can be swallowed by the cell in a vesicle called an endosome.

From Science Magazine Jan. 4, 2022

Alternatively, the effect of LRRK2 mutations on the accumulation of α-synuclein might be indirect, the result of more general endosome and lysosome dysfunction.

From Nature Nov. 8, 2016

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