Webster Dictionary(0.00 / 0 votes)Rate this definition: Melanin(noun) a black pigment found in the pigment-bearing cells of the skin (particularly in the skin of the negro), in the epithelial cells of the external layer of the retina (then called fuscin), in the outer layer of the choroid, and elsewhere. It is supposed to be derived from the decomposition of hemoglobin.
How to prepare your insulin dose if you are using two types of insulin: 1  When you mix regular insulin with another type of insulin, always draw the regular insulin into the syringe first. When you mix two types of insulins other than regular insulin, it does not matter in what order you draw them into the syringe.
Insulin lispro should be injected under the skin within 15 minutes before you eat. Your doctor will tell you how much insulin lispro to inject. Remember, you must eat 15 minutes after you take this insulin shot. Insulin lispro is a little easier to take than regular insulin. If you've been using regular insulin, you've had to inject the insulin and then wait 30 to 45 minutes before eating. Many people find it hard to time regular insulin injections and mealtimes. Sometimes they end up eating too early or too late. Then they don't get the best blood sugar control. Since insulin lispro is taken so close to meals, it may help you get the best possible blood sugar control.