DNA ILLUSTRATIONS / SCIENCE PHOTO LIBRARY DNA ILLUSTRATIONS / SCIENCE PHOTO LIBRARY
Editorial medical illustration that combines different images focusing on chemotherapy-induced nausea and vomiting (CINV). On the upper right, the vomiting centre that picks up signals from several areas: the vagal and splanchnic nerves (nerves that sense obstruction, or damage to the bowel), from the brain (smell, taste, motion and balance); the pharynx (when there is obstruction or damage, gag reflex); and from another part of the brain called the Chemoreceptor Trigger Zone (CTZ) that sits in the postrema. The CTZ senses nausea-causing chemicals in the blood. On the lower left, an inset of oral mucositis, another side effect of cancer treatment. In the background is a superimposed outline of chemotherapy devices.
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