To save this word, you'll need to log in.
myo·fi·bro·blast | \ -ˈfīb-rə-ˌblast 
, -ˈfib- \
, -ˈfib- \Medical Definition of myofibroblast
: a fibroblast that has developed some of the functional and structural characteristics (as the presence of myofilaments) of smooth muscle cells
Comments on myofibroblast
What made you want to look up myofibroblast? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Dog Words Quiz
- Which of the following animals has a dog in its etymology?
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
Share myofibroblast