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.
If we find our blood sugars are high at these times we may take insulin to correct the high. There is an older insulin regimen where you take 2 shots of insulin per day, Usually at breakfast and dinner. This regimen used an intermediate acting insulin like NPH... this was how it was done until insulin pumps and newer long acting insulins were invented.