What is a Specialized Cell
A specialized cell is a type of cell that performs a specific function in multicellular organisms. Groups of specialized cells work together to form a tissue, like a muscle, and then different tissues work together to form larger units, like an organ.You can find more information here: http://www.project2061.org/publications/rsl/online/Compare/NRC/NRC2BSL/5_8/NSES119.HTM
it is a type of cell that is structurally adapted to perform specific functions.
a specialized is cell is a special cell