Medical Definition of Spinalis thoracis
1.
Origin, spinous processes of upper lumbar and two lower thoracic vertebrae; insertion, spinous processes of middle and upper thoracic vertebrae; action, supports and extends vertebral column; nerve supply, dorsal primary rami of thoracic and upper lumbar.
Synonym: musculus spinalis thoracis, musculus spinalis dorsi, spinal muscle of thorax.
(05 Mar 2000)
Lexicographical Neighbors of Spinalis Thoracis
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