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

Scanning the brains of patients with diabetic nerve pain, Tracey and Segerdahl found enhanced communication from the brain stem, via the spine, to the parts of the brain known to contribute to the sensation of pain. Nicola Twilley, The New Yorker, "The Neuroscience of Pain," 9 May 2016 Three doctors have declared the girl brain dead based on exams and tests showing no blood flow or electrical activity in either her cerebrum or the brain stem that controls breathing. CBS News, "Jahi McMath taken out of Oakland hospital in private ambulance, now in custody of mom," 6 Jan. 2014 Mall saw potential in his new student, and with his encouragement, Sabin created a celebrated brain model of the brain stem of a newborn. Eliza Mcgraw, Smithsonian, "Florence Sabin Pioneered Her Way in Medical Science, Then Made Sure Other Women Could Do the Same," 6 July 2018 Roughly once a day in the United States, a child is born with a fatal genetic disorder that destroys motor neurons in the brain stem and spinal cord. Meredith Wadman, Science | AAAS, "U.S. Health secretary under pressure to approve screening of newborns for fatal genetic disease," 28 June 2018 Four-year-old Addalyn Sooter, or Addy as family members called her, was battling Diffuse Intrinsic Pontine Glioma (DIPG), a rare tumor that affects the brain stem. Cydney Henderson, azcentral, "Photo shows brother comforting little sister hours before she died," 12 June 2018 The 22-year-old economics student remains hospitalized and in a coma with severe injuries to his brain stem. Shane Dixon Kavanaugh, OregonLive.com, "Amtrak suggests comatose PSU student attempted suicide, was not hate-crime victim," 30 May 2018 Doctors found a tumor on her brain stem and diagnosed her with diffuse intrinsic pontine glioma, or DIPG, People reported. Natalie Dreier, ajc, "Photo of boy comforting dying sister shows pain families of cancer go through," 11 June 2018 Neuroscientists have identified a clump of neurons in the brain stem as the switch that turns on R.E.M. sleep. Carl Zimmer, New York Times, "Hot Heads: Why Mammals Need R.E.M. Sleep," 7 June 2018

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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18 Sep 2018

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More Definitions for brain stem

brain stem

noun
\ -ˌstem \

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

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