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.
1 An abdominal ultrasound can be used to look for the cause of abdominal pain, evaluate masses in any of the abdominal organs, diagnose kidney stones or liver or gallbladder disease, and evaluate injuries after an accident.2  WebMD offers an overview of abdominal ultrasound. An abdominal ultrasound can be used to look for the cause of abdominal pain, evaluate masses in any of the abdominal organs, diagnose kidney stones or liver or gallbladder disease, and evaluate injuries after an accident. 2  WebMD offers an overview of abdominal ultrasound.