Medical Definition of Semispinal muscle of thorax
1.
Origin, transverse processes of fifth to eleventh thoracic vertebrae; insertion, spinous processes of first four thoracic and fifth and seventh cervical vertebrae; action, extends vertebral column; nerve supply, dorsal primary rami of cervical and thoracic spinal nerves.
Synonym: musculus semispinalis thoracis, musculus semispinalis dorsi, semispinal muscle of thorax.
(05 Mar 2000)
Lexicographical Neighbors of Semispinal Muscle Of Thorax
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