In , a transducer that generates and receives sound waves is placed below the chin for views of the oral cavity and on the thyroid notch for visualizing the laryngeal area.

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Ultrasonography uses a transducer to generate and receive sound waves, which can be placed on various parts of the body, including below the chin and on the thyroid notch, to visualize internal structures such as the oral cavity and laryngeal area.

In , a Transducer That Generates and Receives Sound Waves