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Definition of Medulla oblongata

Medulla oblongata: The base of the brain, which is formed by the enlarged top of the spinal cord. This part of the brain directly controls breathing, blood flow, and other essential functions.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=11633
Last Editorial Review: 11/30/1999 9:14:00 AM

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