Hair Tonic: What It Is And How To Use It. Hair tonic is an âold schoolâ hair styling product. It makes the hair look glossier (though some say greasier), something which many people viewed as a sign of healthy hair. The oils in the hair tonic also help hold the hair in place, making it easier to style, much like mousse or hair spray.
Larynx. the complex of cartilages, muscles, and ligaments that form the initial section of the trachea in terrestrial vertebrates and man, usually containing the vocal apparatus. The laryngeal cavity is divided into the anterior larynx, or vestibule, and the posterior larynx.
The Larynx. The voice box (or larynx) rests in the neck and is made of four basic components: the skeleton, âintrinsic musclesâ (which move the vocal cords, among other things), âextrinsic musclesâ (which adjust the position of the larynx in the neck), and mucosa.