tegmentum

noun

teg·​men·​tum teg-ˈmen-təm How to pronounce tegmentum (audio)
plural tegmenta teg-ˈmen-tə How to pronounce tegmentum (audio)
: an anatomical covering : tegmen
especially : the part of the ventral midbrain above the substantia nigra formed of longitudinal white fibers with arched transverse fibers and gray matter

Examples of tegmentum in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Hobson and McCarley proposed a complex physiological model in which the activation is driven by the giant cells of the pontine tegmentum. Neuroskeptic, Discover Magazine, 7 Apr. 2010

Word History

Etymology

New Latin, from Latin tegumentum, tegmentum, covering, from tegere

First Known Use

1832, in the meaning defined above

Time Traveler
The first known use of tegmentum was in 1832

Dictionary Entries Near tegmentum

Cite this Entry

“Tegmentum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tegmentum. Accessed 5 Nov. 2024.

Medical Definition

tegmentum

noun
teg·​men·​tum teg-ˈment-əm How to pronounce tegmentum (audio)
plural tegmenta -ˈment-ə How to pronounce tegmentum (audio)
: an anatomical covering : tegmen
especially : the part of the ventral midbrain above the substantia nigra formed of longitudinal white fibers with arched transverse fibers and gray matter

More from Merriam-Webster on tegmentum

Love words? Need even more definitions?

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