The endoplasmic reticulum (ER) is a series of interconnected membranes or flattened sacs adjacent and connected to the nuclear membrane. The ER comes in two different morphological forms: smooth endoplasmic reticulum (sER) and rough endoplasmic reticulum (rER). The primary function of the sER is to serve as a platform for the synthesis of lipids (fats), carbohydrate (sugars) metabolism , and the detoxification of drugs and other toxins.
An aortogram is an image of the aorta, the largest artery in the body, acquired by injecting a radiopaque substance into a patient and using medical imaging equipment to snap a series of pictures.
Endoscopy (or gastroscopy) An endoscopy, also called a gastroscopy, is the most common test used to diagnose stomach cancer. An endoscope is a thin, flexible tube with a tiny light and video camera at the end, which sends pictures to a screen. The doctor or nurse who does the test is called an endoscopist.