perineurium

noun
peri·​neu·​ri·​um | \ ˌper-ə-ˈnu̇r-ē-əm How to pronounce perineurium (audio) , -ˈnyu̇r- \
plural perineuria\ ˌper-​ə-​ˈnu̇r-​ē-​ə How to pronounce perineurium (audio) , -​ˈnyu̇r-​ \

Definition of perineurium

: the connective-tissue sheath that surrounds a bundle of nerve fibers

First Known Use of perineurium

1867, in the meaning defined above

History and Etymology for perineurium

New Latin, from peri- + Greek neuron nerve — more at nerve

Learn More About perineurium

Time Traveler for perineurium

Time Traveler

The first known use of perineurium was in 1867

See more words from the same year

Dictionary Entries Near perineurium

perineum

perineurium

perinium

See More Nearby Entries 

Statistics for perineurium

Cite this Entry

“Perineurium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perineurium. Accessed 8 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for perineurium

perineurium

noun
peri·​neu·​ri·​um | \ ˌper-ə-ˈn(y)u̇r-ē-əm How to pronounce perineurium (audio) \
plural perineuria\ -​ē-​ə How to pronounce perineurium (audio) \

Medical Definition of perineurium

: the sheath of connective tissue that surrounds a bundle of nerve fibers

WORD OF THE DAY

Test Your Vocabulary

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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