Mechanosensitive ion channels are activated by mechanical forces, such as tension or pressure, exerted on the cell membrane. These channels are crucial in many physiological processes, including touch sensation, hearing, and blood pressure regulation. When the cell membrane is stretched or deformed, the mechanosensitive ion channels open, allowing ions to flow into or out of the cell, which generates electrical and/or chemical signals that can be transmitted to other cells or the nervous system.

There are several mechanosensitive ion channels, including Piezo and some TRP channels, and they are found in many different types of cells throughout the body. Understanding how these channels work and how they are regulated is an important area of research with implications for treating many diseases and pathological conditions.