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medulla oblongata

American  

noun

Anatomy.

plural

medulla oblongatas, medullae oblongatae

  1. the lowest or hindmost part of the brain, continuous with the spinal cord.

medulla oblongata British  
/ ˌɒblɒŋˈɡɑːtə /

noun

  1. the lower stalklike section of the brain, continuous with the spinal cord, containing control centres for the heart and lungs

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
medulla oblongata Scientific  
/ ŏb′lông-gä′tə /

plural

medulla oblongatas

  1. The lowermost portion of the brainstem in humans and other mammals. It is important in the reflex control of involuntary processes, including respiration, heartbeat, and blood pressure.

Etymology

Origin of medulla oblongata

1670–80; < New Latin: the long medulla

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.