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.
Dear bluejay, #1 just means that there is only one Medrol Dose Pack for the prescription for the pharmacist to fill. A Medrol dose pack is a seven day supply of a steroid called methylprednisolone.