55.4 MB (14.6 MB compressed)
5389 x 3593 pixels
45.7 x 30.5 cm ⏐ 18.0 x 12.0 in (300dpi)
DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Editorial use only.
MODEL RELEASED. Humulin insulin injection pen being handled by a patient. Humulin-S is a short-acting, soluble type of human insulin. The pancreatic hormone insulin is crucial in the body's control of carbohydrate, fat and protein metabolism. Diabetes mellitus results from a deficiency in insulin synthesis or secretion. Insulin-dependent diabetics require repeated injections of insulin to maintain the balance of glucose in their blood. Most available insulins are porcine or human-derived. Human insulins are prepared either by modification of porcine material or biosynthetically, through recombinant DNA technology using the bacterium Escherichia coli.
Model release available. Property release not required.