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.
Novolin R is a sterile, clear, aqueous, and colorless solution, that contains human insulin (rDNA origin) 100 units/mL, glycerin 16 mg/ml, metacresol 3 mg/mL and zinc chloride approximately 7 Âµg/mL. The pH is adjusted to 7.4. Hydrochloric acid 2N and/or sodium hydroxide 2N may be added to adjust pH.