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
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The bullet entered the right side of the infant’s face and exited the back of her head, missing her brain stem by a few centimeters. John Johnston, The Enquirer, 28 Nov. 2024 The researchers attached electrodes for brain stem monitoring, took blood samples and attached satellite tracking tags to follow up on the animals’ behavior and welfare. Evan Bush, NBC News, 22 Nov. 2024 Each has a spinal cord, which controls reflex behaviors; a brain stem, which controls autonomic behaviors such as breathing and heart rate; and a midbrain, which controls emotions and basic behaviors. IEEE Spectrum, 2 June 2017 Two men have been charged with murder in the drive-by shooting of an 18-year-old who was struck in the brain stem and died seven hours later, court records show. Jakob Rodgers, The Mercury News, 17 Oct. 2024 See all Example Sentences for brain stem 

Word History

First Known Use

1874, in the meaning defined above

Time Traveler
The first known use of brain stem was in 1874

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 15 Dec. 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

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