The plural of meatus is meatuses.
A meatus is a natural body opening or canal, often referring to specific anatomical structures. It can be found in various parts of the body, such as the ear, nose, urethra, and gastrointestinal tract. Meatuses serve important functions, including the passage of air, fluids, or waste products. They are lined with specialized tissues and may have protective mechanisms to prevent infection or blockage. The study of meatuses is significant in anatomy and medical fields, as abnormalities or conditions affecting these openings can impact overall health and well-being.