noun, Biochemistry. 1. a pigment containing melanin, found in bird feathers. Origin of eumelanin. eu- + melanin.
1 In the United States, rapid-acting insulin, Lyspro (humalog) is mixed with NPH in a 50:50 (50% NPH and 50% insulin Lyspro) and 75:25 (75% NPH and 25% insulin Lyspro) ratio.  Insulin/Aspart (Novolog) combinations also are available as 70:30 mixtures (70% NPH, 30% insulin aspart).
Insulin: How to Give a Mixed Dose. Many people with diabetes need to take insulin to keep their blood glucose in a good range. This can be scary for some people, especially for the first time. The truth is that insulin shots are not painful because the needles are short and thin and the insulin shots are placed into fatty tissue below the skin.