👉 Clavicytheria, also known as "clavicle disease" or "clavicular dysplasia," is a rare genetic condition characterized by an abnormal development of the clavicles, which are the bones that support the shoulders. The clavicles are typically located at the top of the arm, but in some cases, they can grow to be as long as 12 inches (30 cm) from their base, making them appear like a clump of hair.
