Definition of foramen magnum in English:

foramen magnum

Syllabification: fo·ra·men mag·num

noun

Anatomy
  • The hole in the base of the skull through which the spinal cord passes.
    More example sentences
    • The cysts may localize anywhere within the CNS, but are often found at the base of the brain around the foramen magnum or surrounding the spinal cord.
    • Located at the base of the skull, the medulla oblongata is continuous with the spinal cord at the foramen magnum.
    • At the level of the foramen magnum, where the spinal cord ends and the medulla oblongata begins, the gray matter undergoes a marked reorganization.

Origin

late 19th century: Latin, 'large opening'.

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