foramen magnum

noun fo·ra·men mag·num \fə-ˌrā-mən-ˈmag-nəm\

Definition of FORAMEN MAGNUM

: the opening in the skull through which the spinal cord passes to become the medulla oblongata

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New Latin, literally, large opening

First Known Use: 1857

Medical Dictionary

noun foramen mag·num \-ˈmag-nəm\

: the opening in the skull through which the spinal cord passes to become the medulla oblongata

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