Medical Dictionary

serratus posterior superior

noun

Medical Definition of SERRATUS POSTERIOR SUPERIOR

:  a thin quadrilateral muscle of the upper and dorsal part of the thorax that arises chiefly from the spinous processes of the lowest cervical and the first two or three thoracic vertebrae, is inserted into the second to fifth ribs, and acts to elevate the upper ribs

Illustration of SERRATUS POSTERIOR SUPERIOR

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears