spi·na·lis
spī-ˈnā-ləs
spi-ˈna-lis
plural spinales
-(ˌ)lēz
: the most medial division of the sacrospinalis situated next to the spinal column and acting to extend it or any of the three muscles making up this division:
c
spinalis
2 of 2
see medulla spinalis
Cite this Entry
“Spinalis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/spinalis. Accessed 7 Jul. 2026.
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