sternothyroid (muscle)

ster·no·thy·roid (mus·cle)

[TA] infrahyoid (strap) muscle of anterior neck; origin, posterior surface of manubrium of sternum and first or second costal cartilage; insertion, oblique line of thyroid cartilage; action, depresses larynx; nerve supply, upper cervical via spinal nerves (ansa cervicalis). Synonym(s): musculus sternothyroideus [TA]