Cricothyroid is a term used to describe a specific muscle in the human body. It is responsible for controlling the pitch of the voice by altering the tension of the vocal cords. The muscle is situated in the larynx, and its contraction results in an increase in pitch. Synonyms for cricothyroid include cricoid-thyroid, thyroarytenoid muscle, and vocalis muscle. These terms refer to the same muscle and are often used interchangeably in medical and scientific contexts. Understanding the different synonyms for cricothyroid can help medical professionals and researchers communicate more effectively and accurately when discussing the anatomy and physiology of the human voice.