serratus posterior inferior
noun
: a thin quadrilateral muscle at the junction of the thoracic and lumbar regions that arises chiefly from the spinous processes of the lowest two thoracic and first two or three lumbar vertebrae, is inserted into the lowest four ribs, and acts to counteract the pull of the diaphragm on the ribs to which it is attached
Dictionary Entries Near serratus posterior inferior
Cite this Entry
“Serratus posterior inferior.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/serratus%20posterior%20inferior. Accessed 26 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share