foramen magnum
Americannoun
noun
Etymology
Origin of foramen magnum
1880–85; < New Latin: literally, great hole
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
On the base of the skull, the occipital bone contains the large opening of the foramen magnum, which allows for passage of the spinal cord as it exits the skull.
From Textbooks ● Jun. 19, 2013
The vertebral artery passes through the vertebral foramen in the cervical vertebrae and then through the foramen magnum into the cranial cavity to supply blood to the brain and spinal cord.
From Textbooks ● Jun. 19, 2013
The large foramen magnum is located at the midline of the posterior fossa.
From Textbooks ● Jun. 19, 2013
Openings here include the large foramen magnum, plus the internal acoustic meatus, jugular foramina, and hypoglossal canals.
From Textbooks ● Jun. 19, 2013
In posterior view the notochordal canal and foramen magnum are confluent with each other, and of great size relative to the skull as a whole.
From A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas by Eaton, Theodore H. (Theodore Hildreth)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
