单词	brain stem
释义	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 Example Sentences Recent Examples on the Web The bullet missed Rodriguez’s brain stem and carotid artery by 2 centimeters but shattered his jaw, the order said. Tonya Alanez, BostonGlobe.com, 5 Aug. 2022 The 23-year-old Wayland native was at Brigham and Women’s Hospital, battling a quickly growing lesion on her brain stem. Kat Cornetta, BostonGlobe.com, 5 July 2022 The reactivation of the zoster virus in the nerves of the face causes paralysis because of the facial nerve that travels from the brain stem behind the ear and into the face to give facial muscles the energy for movement. Gil Kaufman, Billboard, 16 June 2022 For example, in the case of a massive brain hemorrhage that destroys most of the brain tissue but leaves the brain stem intact, the baby can breathe at birth but will need other medical care. Sarah Zhang, The Atlantic, 20 May 2022 To make matters worse, the cuneate nucleus is nestled in the brain stem, surrounded by vital brain regions that, if damaged, can lead to death. Sliman Bensmaia, Scientific American, 16 May 2022 Scientists discovered in the 1970s that adding lesions to the brain stem of house cats led to the animals becoming far more active in their sleep. Jen Rose Smith, CNN, 10 May 2022 Experts believe that the hug is the result of myelin damage in very specific areas of the brain stem or spinal cord—but the exact location is unknown, Dr. Green says. Sara Gaynes Levy, SELF, 19 Apr. 2022 There, the invader becomes entangled in nose hair, stimulating nerve endings, which sends a message to a part of the brain stem called the medulla. Rebecca Strong, Health.com, 17 Feb. 2022 See More Word History First Known Use 1874, in the meaning defined above Medical Definition brain stem noun -ˌstem  : 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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