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

Examples of vesicle in a Sentence

Recent Examples on the Web Tiny bags called vesicles contain chemical messengers. Bethany Brookshire, Scientific American, 27 Dec. 2023 Exosomes are small vesicles that are shed by both cancerous and healthy cells in the blood. Jacqueline Howard, CNN, 8 Apr. 2024 Extracellular vesicles are fatty sacs of genetic material that are released by every tissue in the body, including the brain. Angela Roberts, Baltimore Sun, 9 Feb. 2024 This image shows an E. coli bacterium that was genetically engineered to express gas vesicles in order to track its movement through a mouse's body using ultrasound. IEEE Spectrum, 3 Jan. 2018 The study’s results suggest that mRNA in extracellular vesicles are likely an ideal biological marker for identifying brain disorders that involve mood, schizophrenia, epilepsy and substance abuse. Angela Roberts, Baltimore Sun, 9 Feb. 2024 After some investigation, Dillin’s team discovered that the mitochondria in stressed neurons were using vesicles — bubblelike containers that move materials around the cell or between cells — to carry a signal called Wnt beyond the nerve cells to other cells in the body. Quanta Magazine, 8 Jan. 2024 And when the researchers prevented astrocytes from using vesicles, the cells could no longer release glutamate. Laura Dattaro, Quanta Magazine, 18 Oct. 2023 What Common Childhood Rashes Look Like Hand, Foot, and Mouth Disease Hand, foot, and mouth disease is caused by the coxsackie virus, which produces little vesicles, or blisters, in the mouth, on the fingers, or on the feet. Parents Editors, Parents, 3 Sep. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'vesicle.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 18 Jun. 2024.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!