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Medical Definition of Lumbar interspinal muscle
1. Origin, superior margin of lumbar spinous process; insertion, inferior margin of next superior spinous process; action, extends lumbar vertebrae; nerve supply, dorsal primary rami of lumbar spinal nerves. Synonym: musculus interspinalis lumborum, lumbar interspinal muscle. (05 Mar 2000)
Lexicographical Neighbors of Lumbar Interspinal Muscle
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