semispinalis

noun
semi·​spi·​na·​lis | \-ˌspī-ˈnā-ləs \
plural semispinales\ -​ˌlēz \

Medical Definition of semispinalis 

: any of three muscles of the cervical and thoracic parts of the spinal column that arise from transverse processes of the vertebrae and pass to spinous processes higher up and that help to form a layer underneath the sacrospinalis muscle:

a : semispinalis thoracis

b : semispinalis cervicis

c : semispinalis capitis

Learn More about semispinalis

Share semispinalis

Comments on semispinalis

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

WORD OF THE DAY

something that serves to warn or remind

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

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!