Sternothyroid muscle
sternothyroid muscle ster·no·thy·roid muscle (stûr’nō-thī’roid’)
n.
A muscle with origin from the episternum and the first or second costal cartilage, with insertion into the thyroid cartilage, with nerve supply from the upper cervical nerve through the cervical ansa, and whose action depresses the larynx.
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