brain stem

noun

Definition of brain stem

: 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 From the rough region of where the brain stem meets the thalamus—the structure that relays sensory signals to the cerebral cortex—individual fibrils appear to explode outward. Maddie Bender, Scientific American, 12 Aug. 2021 More than 15 years ago, a man who was only 20 years old had a massive stroke when a major artery supplying his brain stem burst. Emily Willingham, Scientific American, 15 July 2021 Diaz said Sicknick suffered two strokes at the base of the brain stem caused by a clot in an artery that supplies blood to that area of the body. Peter Hermann, Anchorage Daily News, 19 Apr. 2021 Diaz said Sicknick suffered two strokes at the base of the brain stem caused by a clot in an artery that supplies blood to that area of the body. Peter Hermann, Anchorage Daily News, 19 Apr. 2021 Pupil size is related to activity in the locus coeruleus, a nucleus situated in the upper brain stem with far-reaching neural connections to the rest of the brain. Jason S. Tsukahara, Scientific American, 2 June 2021 Diaz said Sicknick suffered two strokes at the base of the brain stem caused by a clot in an artery that supplies blood to that area of the body. Peter Hermann, Anchorage Daily News, 19 Apr. 2021 Your mindset stems from a collection of neurons at the top of your brain stem called the reticular activating system (RAS) that acts as the search engine of your brain. Gregg Brown, Rolling Stone, 4 June 2021 Diaz said Sicknick suffered two strokes at the base of the brain stem caused by a clot in an artery that supplies blood to that area of the body. Peter Hermann, Anchorage Daily News, 19 Apr. 2021

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

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First Known Use of brain stem

1874, in the meaning defined above

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Time Traveler for brain stem

Time Traveler

The first known use of brain stem was in 1874

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Dictionary Entries Near brain stem

brainsick

brain stem

brainstone

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Statistics for brain stem

Last Updated

19 Aug 2021

Cite this Entry

“Brain stem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brain%20stem. Accessed 25 Sep. 2021.

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More Definitions for brain stem

brain stem

noun
\ -ˌstem How to pronounce brain stem (audio) \

Medical Definition of brain stem

: 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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