vesicle

noun

ves·​i·​cle ˈve-si-kəl How to pronounce vesicle (audio)
1
a
: a membranous and usually fluid-filled pouch (such as a cyst, vacuole, or cell) in a plant or animal
b
: a small abnormal elevation of the outer layer of skin enclosing a watery liquid : blister
c
: a pocket of embryonic tissue that is the beginning of an organ
2
: a small cavity in a mineral or rock

Example Sentences

Recent Examples on the Web Instead, Rizo-Rey uses Frontera to make a model of the millions of atoms that make up a vesicle, the edge of a brain cell and the key proteins involved in fusion. Dallas News, 14 July 2022 The authors find that the 46K version of OAS1 inhibits many other pathogenic viruses that like SARS-CoV-2 replicate within their own double-membrane vesicle concealment, including encephalomyocarditis virus and some other coronaviruses. William A. Haseltine, Forbes, 5 Oct. 2021 Virus replication occurs in a special compartment walled off from the rest of the cell by a double membrane vesicle. William A. Haseltine, Forbes, 5 Oct. 2021 The Orf1a proteins are required for the formation of the double-membrane vesicle necessary for virus replication. William A. Haseltine, Forbes, 10 Dec. 2021 By building this special compartment, the double-membrane vesicle, the virus avoids inducing the production of interferon and interferon-responsive proteins. William A. Haseltine, Forbes, 1 Nov. 2021 Another route to control vesicle content is to force their formation through physical or chemical manipulation of cells. Amanda B. Keener, Scientific American, 17 June 2020 The researchers show that prenylated 46K OAS1 binds to the double-membrane vesicle whereas the unprenylated 42K form does not. William A. Haseltine, Forbes, 5 Oct. 2021 The key objectives are ensuring that vesicle isolates are free from harmful contaminants and have a consistent set of functional properties. Michael Eisenstein, Scientific American, 17 June 2020 See More

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

Word History

Etymology

Middle French vesicule, from Latin vesicula small bladder, blister, from diminutive of vesica

First Known Use

1578, in the meaning defined at sense 1a

Time Traveler
The first known use of vesicle was in 1578

Dictionary Entries Near vesicle

Cite this Entry

“Vesicle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vesicle. Accessed 3 Feb. 2023.

Kids Definition

vesicle

noun
ves·​i·​cle ˈves-i-kəl How to pronounce vesicle (audio)
: a small cavity, cyst, or blister usually filled with fluid

Medical Definition

vesicle

noun
ves·​i·​cle ˈves-i-kəl How to pronounce vesicle (audio)
1
a
: a membranous and usually fluid-filled pouch (as a cyst, vacuole, or cell) in a plant or animal
2
: a small abnormal elevation of the outer layer of skin enclosing a watery liquid : blister
3
: a pocket of embryonic tissue that is the beginning of an organ see brain vesicle, optic vesicle, otic vesicle

More from Merriam-Webster on vesicle

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