The red pigment also has antibacterial properties, which work to protect the hippo from certain pathogens and accelerate its recovery from wounds. River horse. The hippopotamus-or river horse - is a belligerent creature, which puzzled the ancient Greeks by apparently sweating blood. In fact, the thick red substance, which oozes from glands all over its skin, is one of the hippo's many ingenious survival tools.
A gastrografin enema is an X-ray of the large intestine that includes the colon and rectum. It is used to diagnose problems such as obstructions and perforations in the bowel.
Gastrin is a hormone found in the human body. It is produced by cells in the lining of the stomach, and its purpose is to regulate the secretion of digestive acid. Although there are other hormones involved in this process, gastrin is the primary regulator for the stomach acid. The cells of the stomach responsible for making this substance are called G cells.