thyroid cartilage

…front set of plates, called thyroid cartilage, has a central ridge and elevation commonly known as the Adam’s apple. The plates tend to be replaced by bone cells beginning from about 20 years of age onward.

…cartilage of the larynx, the thyroid cartilage, is made of two plates fused anteriorly in the midline. At the upper end of the fusion line is an incision, the thyroid notch; below it is a forward projection, the laryngeal prominence. Both of these structures are easily felt through the skin.…

Single cartilages are the shield-shaped thyroid in front, whose prominence forms the Adam’s apple in the male; the cricoid cartilage below, which resembles a signet ring and connects the thyroid to the trachea or windpipe; and the leaf-shaped epiglottis, or laryngeal lid, on top. Among the paired cartilages are the…