medulla oblongata


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Related to medulla oblongata: cerebellum, pons, hypothalamus, midbrain, spinal cord

medulla ob·lon·ga·ta

 (ŏb′lông-gä′tə)
n. pl. medulla ob·lon·ga·tas or me·dul·lae ob·lon·ga·tae (mĭ-dŭl′ē ŏb′lông-gä′tē)
The lowermost portion of the vertebrate brain, continuous with the spinal cord, responsible for the control of respiration, blood pressure and heart rate, and certain other involuntary bodily functions.

[New Latin medulla oblongāta : Latin medulla, medulla + New Latin oblongāta, feminine of oblongātus, oblong.]
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.

medulla oblongata

(ˌɒblɒŋˈɡɑːtə)
n, pl medulla oblongatas or medullae oblongatae (mɪˈdʌliː ˌɒblɒŋˈɡɑːtiː)
(Anatomy) the lower stalklike section of the brain, continuous with the spinal cord, containing control centres for the heart and lungs
[C17: New Latin: oblong-shaped medulla]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

medul′la ob•long•a′ta

(ˌɒb lɔŋˈgɑ tə, -lɒŋ-)
n., pl. medulla oblongatas.
the lowest or hindmost part of the vertebrate brain, continuous with the spinal cord.
[1670–80; < New Latin: the long medulla]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

medulla ob·lon·ga·ta

(ŏb′lông-gä′tə)
The lowermost portion of the brainstem in humans and other mammals. It regulates many involuntary functions, such as breathing and circulation.
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.

medulla oblongata

The lowest part of the brain stem, which contains the vital centers controlling heartbeat and respiration.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.medulla oblongata - lower or hindmost part of the brainmedulla oblongata - 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"
neural structure - a structure that is part of the nervous system
brain stem, brainstem, brain-stem - the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus
respiratory center - the center in the medulla oblongata and pons that integrates sensory information about the level of oxygen and carbon dioxide in the blood and determines the signals to be sent to the respiratory muscles
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
One afternoon at six, when Dulcie was sticking her hat-pin within an eighth of an inch of her medulla oblongata , she said to her chum, Sadie--the girl that waits on you with her left side:
In both the United States and Kenya, has any socio-governmental authority ever defined "corruption" in a manner that satisfied you as a being equipped with medulla oblongata? Why, moreover, is our government silent on other crimes that Kenyans (and their visitors, including Americans) are prone to committing in Kenya and everywhere else on this planet?
[6] In extra-pontine myelinolysis cases, these features are observed frequently in the corpus callosum, basal ganglia, hippocampus, lateral geniculate body, thalamus, cerebellum, and cerebral subcortex, and it is observed infrequently in the midbrain, internal capsule, and medulla oblongata. [17] Our patient's MRI brain was suggestive of osmotic encephalopathy.
Lesions in the thalamus and pons were more frequent in patients with anti-MOG antibodies, whereas lesions in medulla oblongata and area postrema were more frequent in patients with anti-AQP4 antibodies.
Glossopharyngeal nerve roots are located side of the medulla oblongata, between the inferior olive and the inferior cerebellar peduncle side.
Histologic analysis showed a mild to moderate, multifocal, perivascularly accentuated, lymphohistiocytic meningoencephalomyelitis, which affected the cerebrum, cerebellum (Figure 1, panel A), brain stem, medulla oblongata, and cervical spinal cord.
With the head erect, we would expect this bullet to track right into the medulla oblongata, deep brain, for an instant and permanent "lights out." In this case, the incapacitation was instant but not permanent.
MRC London Neurodegenerative Diseases Brain Bank provided fresh-frozen sections of medulla oblongata from MSA patients along with controls without [alpha]-syn pathology.
A number of case studies have reported that compression of the vasomotor area occurs mainly due to lesions that lie within or close to the medulla oblongata. Both elevated ICP and brainstem lesions cause autonomic dysregulation via the same mechanism: brainstem compression [13-15].
We herewith report a rare case of bilateral hypoglossal nerve palsy due to posteromedial infarction in the medulla oblongata secondary to acute bacterial meningitis.
From the central nervous system, histological slides were prepared from cranial cortex with basal ganglia, cortex with hippocampus and thalamic regions, midbrain, cerebellum, pons, medulla oblongata, cervical, thoracic, and lumbar spinal cord.
In which organ of the body can the medulla oblongata be found?