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Full Text. The hyoid bone is a horseshoe shaped bone found in the neck. Located anteriorly between the mandible and the thyroid cartilage, the hyoid bone protects the esophagus and also facilitates the wide range of muscle activity required for speaking and swallowing. It is visible upon extension of the neck.
The perichondrium (from Greek ÏÎµÏÎ¯ (peri 'around') and ÏÏÎ½Î´ÏÎ¿Ï (chondros 'cartilage')) is a layer of dense irregular connective tissue that surrounds the cartilage of developing bone.It consists of two separate layers: an outer fibrous layer and inner chondrogenic layer.erichondrium can be found around the perimeter of elastic cartilage and hyaline cartilage. Fibrocartilage and articular cartilage both lack perichondrium. Perichondrium is a type of irregular collagenous ordinary connective tissue, and also functions in the growth and repair of cartilage.