Spirochaeta

noun
Spi·​ro·​chae·​ta | \ ˌspī-rə-ˈkēt-ə How to pronounce Spirochaeta (audio) \

Medical Definition of Spirochaeta

: a genus (the type of the family Spirochaetaceae) of spirochetes distinguished by a flexible undulating body with the protoplasm wound spirally around an elastic axis filament and comprising as now restricted various chiefly aquatic forms or formerly these together with important pathogens now placed in the genera Treponema, Borrelia, and Leptospira

Learn More about Spirochaeta

Cite this Entry

“Spirochaeta.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Spirochaeta. Accessed 26 Jan. 2021.

Comments on Spirochaeta

What made you want to look up Spirochaeta? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

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