[mag-nuh m] /ˈmæg nəm/

noun, Anatomy.
the large opening in the base of the skull forming the passage from the cranial cavity to the spinal canal.
the large opening at the base of the skull through which the spinal cord passes

foramen magnum foramen mag·num (māg’nəm)
See great foramen.


Read Also:

  • Foramen cecum medullae oblongatae

    foramen cecum medullae oblongatae foramen ce·cum me·dul·lae ob·lon·ga·tae (sē’kəm mĭ-dŭl’ē ŏb’lŏng-gā’tē) n. A small triangular depression at the lower boundary of the pons that marks the upper limit of the median fissure of the medulla oblongata.

  • Foramen of vena cava

    foramen of vena cava n. An opening in the right lobe of the central tendon of the diaphragm, transmitting the inferior vena cava and branches of the right phrenic nerve. Also called quadrate foramen.

  • Foramen spinosum

    foramen spinosum foramen spi·no·sum (spī-nō’səm) n. An opening in the greater wing of the sphenoid bone, in front of the spine, transmitting the middle meningeal artery.

  • Foramina

    [fuh-rey-muh n] /fəˈreɪ mən/ noun, plural foramina [fuh-ram-uh-nuh] /fəˈræm ə nə/ (Show IPA) 1. an opening, orifice, or short passage, as in a bone or in the integument of the ovule of a plant. /fɒˈreɪmɛn/ noun (pl) -ramina (-ˈræmɪnə), -ramens 1. a natural hole, esp one in a bone through which nerves and blood vessels […]

Disclaimer: Foramen-magnum definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.