What is the name of the U-shaped bone located in the neck at the base of the tongue?

The U-shaped bone located in the neck at the base of the tongue is called the hyoid bone. This unique bone serves several important functions, primarily relating to the support of the tongue and the muscles associated with swallowing and speech. Unlike other bones, the hyoid does not articulate directly with any other bone, which allows it to serve as a movable anchor point for muscles that play critical roles in the processes of mastication (chewing) and phonation (speaking).

In contrast, the sternum is a flat bone located in the center of the chest, the mandible is the lower jaw bone, and the clavicle is the collarbone. These bones have distinct locations and functions that do not pertain to the support of the tongue or associated neck structures. Understanding the anatomy and role of the hyoid can help in comprehending its significance in both the respiratory and digestive systems.