a dark, sulfur-containing pigment normally found in the hair, skin, ciliary body, choroid of the eye, pigment layer of the retina, and certain nerve cells. It occurs abnormally in certain tumors, known as melanomas, and is sometimes excreted in the urine when such tumors are present (melanuria). melanin deficiency.
Regular insulin includes regular human insulin also known as human insulin (regular) and is a short acting insulin. The two most common brand names are Humulin R and Novolin R. It is primarily used to treat high blood sugar levels in conditions like diabetes mellitus. 1 Medical uses.
â¢ Novolin N is an intermediate-acting insulin. The effects of Novolin N start working 1 Â½ hours after injection. â¢ The greatest blood sugar lowering effect is between 4 and 12 hours after the injection. This blood sugar lowering may last up to 24 hours. â¢ While using Novolin N, any change of insulin should be made cautiously and only under medical supervision.