SINCE 1828
pars compacta
noun
pars com·pac·ta
| \-käm-ˈpak-tə
\
\
Medical Definition of pars compacta
: the large dorsal part of gray matter of the substantia nigra that is next to the tegmentum
Comments on pars compacta
What made you want to look up pars compacta? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Great Scrabble Words—A Quiz
-
- Which of the following Q-without-U words means the number five in cards or dice?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Great Scrabble Words—A Quiz
Words to improve your Scrabble game
Take the quiz -
Which Came First? Quiz
Do you know which word is older?
Take the quiz -
True or False?
Test your knowledge - and maybe learn something along the way.
Take the quiz -
SCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share pars compacta
Resources for pars compacta