Humoral vs Cell Mediated Immunity. Immunity is the ability of an organism to defend against pathogens and toxins and to avoid infections and diseases. This is basically provided by the immune system, which is composed primarily of individual cells spread throughout the body, rather than forming into organs.
What is an MRCP? </>An MRCP test is a specialized MRI exam that evaluates the hepatiobiliary and pancreatic systems, including the liver, gallbladder, bile ducts, pancreas and pancreatic duct. An MRCP test can also be ordered to find the cause of pancreatitis or diagnose unexplained abdominal pain. Additionally, MRCP is a less invasive alternative to ERCP, a procedure that uses an endoscope combined with an IV injection of x-ray contrast dye and fluoroscopy (x-ray images).
Magnetic resonance cholangiopancreatography or MRCP uses a powerful magnetic field, radio waves and a computer to evaluate the liver, gallbladder, bile ducts, pancreas and pancreatic duct for disease.It is noninvasive and does not use ionizing radiation.hysicians use MRCP to: 1  examine diseases of the liver, gallbladder, bile ducts, pancreas and pancreatic duct. 2  These may include tumors, stones, inflammation or infection. 3  evaluate patients with pancreatitis to detect the underlying cause.