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.
Depending on the equipment used by the doctor, a prescription may be in plus or minus cylinder form. For surfacing, the lab uses the minus form, meaning if a prescription is written in a plus cylinder form it must be transposed before processing. Transpose a prescription written in plus cylinder form to minus cylinder form as follows: 1. Add the sphere and cylinder powers to determine the new sphere power. 2.