Scleroprotein is a term generally used in biological and scientific domains to refer to proteins that impart strength and rigidity to tissues and organs. There are several synonyms for scleroprotein, which can be used interchangeably in different contexts. Some of these synonyms include fibrous protein, contractile protein, structural protein, corpuscle protein, and supporting protein. Collagen is one of the most common types of scleroprotein and serves as a structural component in skin, tendons, ligaments, and other connective tissues. Other examples of scleroproteins include keratin, elastin, and myosin, which are essential for maintaining the integrity and function of tissues and organs throughout the body.