The definition of silk is something smooth like or made of the very soft and fine threads spun by silkworms. An example of silk is smooth and creamy chocolate truffles; silk truffles.
Biologic response modifiers, also known as biologics, are medications that were designed to prevent or reduce the inflammation that damages joints. Biologics target molecules on cells of the immune system, joint, and the products that are secreted in the joint, all of which can cause inflammation and joint destruction.
Biologics (or biopharmaceuticals) are a class of drugs based on proteins that have a therapeutic effect. These large protein molecules â which are composed of more than 1,300 amino acids and can be as heavy as 150,000 g/mol (or 150 kDa) â are essentially copies or optimized versions of endogenous human proteins.