ventricle
noun
ven·tri·cle
ˈven-tri-kəl 
: a cavity of a bodily part or organ: such as
a
: a chamber of the heart which receives blood from a corresponding atrium and from which blood is forced into the arteries see heart illustration
b
: any of a system of communicating cavities in the brain that are continuous with the central canal of the spinal cord see brain illustration
Examples of ventricle in a Sentence
Recent Examples on the Web
Recent studies have shown that long-term missions can actually enlarge the brain’s ventricles, potentially impacting cognitive speed and waste removal.
—
Mrigakshi Dixit, Interesting Engineering, 10 Feb. 2026
The condition causes the left ventricle of an individual's heart to become weakened, according to the Mayo Clinic.
—Anna Kaufman, USA Today, 6 Feb. 2026
But one recent study published in JAMA Cardiology uncovered some potentially lifesaving guidance that could help women with aortic regurgitation—a common condition where the heart’s valve doesn’t close properly and causes blood to flow backward and fill the left ventricle—receive treatment sooner.
—Helen Carefoot, Flow Space, 5 Feb. 2026
That means the pumping chambers in the ventricles of the heart are inverted so that the one that evolved to pump blood to the lungs ends up pumping to the brain and the one that evolved to pump to the brain ends up pumping to the lungs.
—Elizabeth Cooney, STAT, 2 Feb. 2026
See All Example Sentences for ventricle
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Mrigakshi Dixit, Interesting Engineering, 10 Feb. 2026
The condition causes the left ventricle of an individual's heart to become weakened, according to the Mayo Clinic.
—Anna Kaufman, USA Today, 6 Feb. 2026
But one recent study published in JAMA Cardiology uncovered some potentially lifesaving guidance that could help women with aortic regurgitation—a common condition where the heart’s valve doesn’t close properly and causes blood to flow backward and fill the left ventricle—receive treatment sooner.
—Helen Carefoot, Flow Space, 5 Feb. 2026
That means the pumping chambers in the ventricles of the heart are inverted so that the one that evolved to pump blood to the lungs ends up pumping to the brain and the one that evolved to pump to the brain ends up pumping to the lungs.
—Elizabeth Cooney, STAT, 2 Feb. 2026
See All Example Sentences for ventricle
Cite this Entry
“Ventricle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ventricle. Accessed 15 Feb. 2026.
Copy CitationKids Definition
ventricle
noun
ven·tri·cle
ˈven-tri-kəl
1
: a chamber of the heart which receives blood from an atrium and from which blood is forced into the arteries
2
: one of the cavities in the brain that are continuous with the central canal of the spinal cord
Medical Definition
ventricle
noun
ven·tri·cle
ˈven-tri-kəl
: a cavity of a bodily part or organ: as
a
: a chamber of the heart which receives blood from a corresponding atrium and from which blood is forced into the arteries
b
: one of the system of communicating cavities in the brain that are continuous with the central canal of the spinal cord, that like it are derived from the medullary canal of the embryo, that are lined with an epithelial ependyma, and that contain a serous fluid see lateral ventricle, third ventricle, fourth ventricle
c
: a fossa or pouch on each side of the larynx between the false vocal cords above and the true vocal cords below
Love words? Need even more definitions?
Merriam-Webster unabridged
