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medulla oblongata

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noun medulla ob·lon·ga·ta \-ˌä-ˌblȯŋ-ˈgä-tə\

Definition of medulla oblongata

plural

medulla oblongatas

or

medullae oblongatae

play \-ˈgä-tē, -ˌtī\
  1. :  the part of the vertebrate brain that is continuous posteriorly with the spinal cord and that contains the centers controlling involuntary vital functions — see brain illustration



Origin and Etymology of medulla oblongata

New Latin, literally, oblong medulla


First Known Use: 1668


MEDULLA OBLONGATA Defined for Kids

medulla oblongata

play
noun me·dul·la ob·lon·ga·ta \mə-ˈdə-lə-ˌä-ˌblȯŋ-ˈgä-tə\

Definition of medulla oblongata for Students

  1. :  the part of the brain that joins the spinal cord and is concerned especially with control of involuntary activities (as breathing and beating of the heart) necessary for life




Medical Dictionary

medulla oblongata

play
noun medulla ob·lon·ga·ta \-ˌäb-ˌlȯŋ-ˈgät-ə\

Medical Definition of medulla oblongata

plural

medulla oblongatas

or

medullae oblongatae

\-ˈgät-ē, -ˈgä-ˌtī\play play
  1. :  the somewhat pyramidal last part of the vertebrate brain developed from the posterior portion of the hindbrain and continuous posteriorly with the spinal cord, enclosing the fourth ventricle, and containing nuclei associated with most of the cranial nerves, major fiber tracts and decussations that link spinal with higher centers, and various centers mediating the control of involuntary vital functions (as respiration)



Illustration of medulla oblongata


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