A "matris" is a term often used in various contexts, including mathematics and biology. In mathematics, it refers to a matrix, which is a rectangular array of numbers or symbols arranged in rows and columns. Matrices are used for various applications, including solving systems of equations, transformations, and data representation. In biology, "matris" can refer to the extracellular matrix, a network of proteins and carbohydrates that provide structural and biochemical support to surrounding cells. This matrix plays a crucial role in tissue development, repair, and cellular communication, influencing how cells interact and function within their environment.