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Longissimus capitis

(Science: anatomy, muscle) origin, from transverse processes of upper thoracic and transverse and articular processes of lower and middle cervical vertebrae; insertion, into mastoid process; action, keeps head erect, draws it backward or to one side; nerve supply, dorsal primary rami of cervical spinal nerves.

Synonym: musculus longissimus capitis, musculus complexus minor, musculus trachelomastoideus, musculus transversalis capitis.