semispinalis thoracis

noun
semispinalis tho·​ra·​cis | \ -thə-ˈrā-səs How to pronounce semispinalis thoracis (audio) \

Medical Definition of semispinalis thoracis

: a deep longitudinal muscle of the back that arises from the transverse processes of the lower five thoracic vertebrae, is inserted into the spinous processes of the upper four thoracic and lower two cervical vertebrae, and with the semispinalis cervicis acts to extend the spinal column and rotate it toward the opposite side

Learn More About semispinalis thoracis

Dictionary Entries Near semispinalis thoracis

semispinalis cervicis

semispinalis thoracis

semisynthetic

See More Nearby Entries 

Cite this Entry

“Semispinalis thoracis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/semispinalis%20thoracis. Accessed 22 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!