Calcium imaging is a method used to observe and measure changes in calcium levels within cells. Calcium is essential for various cell functions, including muscle tightening and nerve signaling. This technique involves using special dyes or sensors that react to calcium by changing color or glowing. Scientists add these dyes to cells or tissues, and as calcium levels rise and fall, the changes in the appearance of the dyes are captured in images. This helps researchers study cell activity and understand how calcium affects different body functions.

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