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brain stem
noun
: the part of the brain composed of the midbrain, pons, and medulla oblongata and connecting the spinal cord with the forebrain and cerebrum
Examples of brain stem in a Sentence
Recent Examples on the Web
This sudden pain may result from irritation to the glossopharyngeal nerve (one of the four cranial nerves), which runs from the brain stem through the tonsils and along your ears.
—Sarah Hudgens, Health, 5 Oct. 2024
This means an impulse originating from the left side of the brain crosses over to the right side of the brain stem.
—Bryant Stamford, The Courier-Journal, 2 May 2024
Determining causality is a heavy lift, but no one with a functioning brain stem believes that more people watched the 2000 season because Miller was better at calling football than John Earl Madden.
—Anthony Crupi, Sportico.com, 10 Sep. 2024
In that case, injuries can compound until the brain is overwhelmed, until—unable to reconfigure themselves—the tau proteins essentially rot, creating toxic lesions that spread deeper into the brain and even sometimes into the brain stem.
—Seyward Darby, Longreads, 9 Sep. 2023
See all Example Sentences for brain stem
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'brain stem.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1874, in the meaning defined above
Dictionary Entries Near brain stem
Cite this Entry
“Brain stem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brain%20stem. Accessed 31 Oct. 2024.
Kids Definition
brain stem
noun
: the back and lower part of the brain including the midbrain and medulla oblongata
Medical Definition
brain stem
noun
: the part of the brain composed of the midbrain, pons, and medulla oblongata and connecting the spinal cord with the forebrain and cerebrum
More from Merriam-Webster on brain stem
Britannica.com: Encyclopedia article about brain stem
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