Definition: The word "arytenoidal" refers to a type of organ or structure that arises from the growth of cartilage tissue, which is found in all bones but is especially common in the hand and foot. Detailed Definition: Aritynoid means "growth from cartilage." In this context, it's being used to describe the development of bone from soft tissue. The word "arytenoids" refers to a type of organ or structure that arises from the growth of cartilage tissue, which is found in all bones but is especially common in the hand and foot. So, in summary, aritynoid describes the growth of cartilage tissue in the hands and feet due to this formation.