brain·stem
or brain stem (brān′stĕm′)n.
The portion of the brain, consisting of the medulla oblongata, pons Varolii, and midbrain, that connects the spinal cord to the forebrain and cerebrum.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
brainstem
(ˈbreɪnˌstɛm)n
(Anatomy) the stalklike part of the brain consisting of the medulla oblongata, the midbrain, and the pons Varolii
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
brain′stem`
or brain′ stem`,
n.
the portion of the brain that is continuous with the spinal cord and in mammals comprises the medulla oblongata and parts of the midbrain.
[1875–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
brain·stem
(brān′stĕm′) The part of the vertebrate brain located at the base of the brain and important in the control of many voluntary and involuntary body functions. In humans and other mammals, the brainstem is composed of the pons, medulla, and midbrain.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. |  brainstem - the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamusneural structure - a structure that is part of the nervous system brain, encephalon - that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord medulla oblongata, medulla, bulb - lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata); "the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning" pons Varolii, pons - a band of nerve fibers linking the medulla oblongata and the cerebellum with the midbrain reticular formation, RF - a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone |
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Translations
brainstem
n tronco cerebral or encefálico, tallo cerebral or encefálicoEnglish-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.