FORAMEN MAGNUM

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does foramen magnum mean? 

• FORAMEN MAGNUM (noun)
  The noun FORAMEN MAGNUM has 1 sense:

1. the large opening at the base of the cranium through which the spinal cord passes

  Familiarity information: FORAMEN MAGNUM used as a noun is very rare.

 Dictionary entry details 

• FORAMEN MAGNUM (noun)

Sense 1

Meaning:

The large opening at the base of the cranium through which the spinal cord passes

Classified under:

Nouns denoting body parts

Hypernyms ("foramen magnum" is a kind of...):

foramen; hiatus (a natural opening or perforation through a bone or a membranous structure)

Holonyms ("foramen magnum" is a part of...):

braincase; brainpan; cranium (the part of the skull that encloses the brain)

 Context examples 

A meningioma that affects the foramen magnum.

(Foramen Magnum Meningioma, NCI Thesaurus)

A sloped depression between the dorsum sellae and foramen magnum at the base of the skull.

(Clivus, NCI Thesaurus)

A rare genetic brain malformation characterized by displacement of the brain stem and cerebellum through the foramen magnum.

(Arnold-Chiari Malformation, NCI Thesaurus)

A meningioma that affects the anterior foramen magnum.

(Anterior Foramen Magnum Meningioma, NCI Thesaurus)

The anterior aspect of the foramen magnum formed by the basilar part of the occipital bone.

(Anterior Foramen Magnum, NCI Thesaurus)