To save this word, you'll need to log in.
Medical Definition of thoracic ganglion
: any of the ganglia of the sympathetic chain in the thoracic region that occur in 12 or fewer pairs
Comments on thoracic ganglion
What made you want to look up thoracic ganglion? 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?
Can you spell these 10 commonly misspelled words?
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
Share thoracic ganglion