To save this word, you'll need to log in.
me·so·some | \ ˈme-zə-ˌsōm 
, ˈmē-, -sə- \
, ˈmē-, -sə- \Definition of mesosome
: an organelle of bacteria that appears as an invagination of the plasma membrane and functions either in DNA replication and cell division or excretion of exoenzymes
Keep scrolling for more
Keep scrolling for more
More Definitions for mesosome
mesosome
nounme·so·some | \ ˈmez-ə-ˌsōm, ˈmēz-, ˈmēs-, ˈmes- \
\Medical Definition of mesosome
: an organelle of bacteria that appears in electron micrographs as an invagination of the plasma membrane and is a site of localization of respiratory enzymes
Comments on mesosome
What made you want to look up mesosome? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
More Confusing Words—Quiz
- The magician
______moved the selected card to the top of the deck.
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
- More Confusing Words—Quiz
How many of these commonly confused words do you know?
Take the quiz - Name that Thing: Toys and Games Edition
It's all fun and games until someone beats your high score.
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Citation
Do you know the person or title these quotes describe?
Play the game
Share mesosome
Time Traveler for mesosome
The first known use of mesosome was in 1960
See more words from the same year