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.
1 For example, if you need five units of NPH and two units of Novolin R, the total dose of insulin in the syringe would be seven units. 2  Roll the NPH vial between your hands until the liquid is equally cloudy throughout. 3  Draw into the syringe the same amount of air as the NPH dose.ifferent insulins should be mixed only under instruction from a health care provider. Do not mix Novolin R with any other type of insulin besides NPH insulin. Novolin R should be mixed only when injections with syringes are used.