endosome

noun
en·​do·​some | \ ˈen-də-ˌsōm How to pronounce endosome (audio) \

Definition of endosome

: a vesicle formed by the invagination and pinching off of the cell membrane during endocytosis

Examples of endosome in a Sentence

Recent Examples on the Web Chloroquine reduces the acidity in endosomes, compartments that cells use to ingest material from the outside and that coronaviruses can use instead of the ACE2 receptor to enter a cell. Kai Kupferschmidt, Science | AAAS, "These drugs don’t target the coronavirus—they target us," 2 Apr. 2020 Under the stimulus of pain, NK1 receptors actually migrate from the surface of neurons into internal compartments called endosomes, the study found. Bradley J. Fikes, sandiegouniontribune.com, "Blocking chronic pain that's currently out of drugs' reach," 31 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'endosome.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of endosome

1887, in the meaning defined above

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The first known use of endosome was in 1887

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Cite this Entry

“Endosome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endosome. Accessed 4 Dec. 2020.

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More Definitions for endosome

endosome

noun
en·​do·​some | \ ˈen-də-ˌsōm How to pronounce endosome (audio) \

Medical Definition of endosome

1 : a conspicuous body other than a chromatin granule that occurs within the nuclear membrane of a vesicular protozoan nucleus and is either a karyosome or a nucleolus
2 : a vesicle formed by the invagination and pinching off of the cell membrane during endocytosis

More from Merriam-Webster on endosome

Britannica.com: Encyclopedia article about endosome

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