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 is also the bodyâs âvoice boxâ as it contains the vocal folds that produce the sounds of speech and singing. Anatomy The larynx is a short, epithelium-lined tube formed by nine pieces of cartilage and several ligaments that bind them together.... Click to read more below.nferior to the epiglottis is the glottis region of the larynx, which contains the vocal folds. The largest cartilage in the larynx, the thyroid cartilage, supports the glottis.