(anatomy) An infrahyoid muscle on each side of the body below the sternohyoid muscle that arises from the sternum and from the cartilage of the first and sometimes of the second ribs, inserts into the thyroid cartilage, and acts to draw the larynx downward by depressing the thyroid cartilage.

simple past tense and past participle of sternotomize

Modified by sternotomy

(surgery) To perform a sternotomy

plural of sternocostal triangle

(anatomy) Small zones lying between the costal and sternal attachments of the thoracic diaphragm.