foramina of Key and Retzius

foramina of Key and Ret·​zi·​us | \ -ˌkāənˈretsēəs \

Definition of foramina of Key and Retzius

: passages at the lateral recesses of the fourth ventricle of the brain — see foramen of magendie

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for foramina of Key and Retzius

after Ernst A. H. Key †1901 and Gustaf M. Retzius †1919 Swedish anatomists

Keep scrolling for more

Learn More about foramina of Key and Retzius

Statistics for foramina of Key and Retzius

Cite this Entry

“Foramina of Key and Retzius.” Dictionary, Merriam-Webster, Accessed 12 Aug. 2020.

Comments on foramina of Key and Retzius

What made you want to look up foramina of Key and Retzius? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!