Medical Dictionary

sacrospinalis

noun sa·cro·spi·na·lis \ ˌsā-krō-spī-ˈnā-ləs , ˌsak-rō-spī-ˈnal-əs \

medical Definition of sacrospinalis

:a muscle that extends the length of the back and neck, that arises from the iliac crest, the sacrum, and the lumbar and two lower thoracic vertebrae, and that splits in the upper lumbar region into three divisions of which the lateral is made up of the three iliocostalis muscles, the intermediate is made up of the three longissimus muscles, and the medial is made up of the three spinalis muscles called also erector spinae

Illustration of sacrospinalis


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

spoken rather than written

Get Word of the Day daily email!

Love words? Need even more definitions?

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