All of these must pass through the cell membrane. Transport may occur by diffusion and osmosis across the membrane. It can also occur when a vescicle attaches to the cell membrane from the inside and then opens to form a pocket, expelling its contents to the outside. This may be called exocytosis.
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).
The MRCP test is known as the Magnetic Resonance Cholangiopancreatography test. The MRCP test is used to generate images of the pancreas, the gall bladder, the bile ducts, the liver and the pancreatic ducts.The MRCP test for gallstones is thus usually recommended for many.he MRCP test is used to generate images of the pancreas, the gall bladder, the bile ducts, the liver and the pancreatic ducts. The MRCP test for gallstones is thus usually recommended for many.