Medical Definition of Semispinalis capitis
1.
Origin, transverse processes of five or six upper thoracic and articular processes of four lower cervical vertebrae; insertion, occipital bone between superior and inferior nuchal lines; action, rotates head and draws it backward; nerve supply, dorsal primary rami of cervical spinal nerves.
Synonym: musculus semispinalis capitis, musculus complexus, semispinal muscle of head.
(05 Mar 2000)
Lexicographical Neighbors of Semispinalis Capitis
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