Gadolinium: An element used to provide image
contrast during MRI scanning, typically held by a carrier,
or chelate molecule, called DTPA.
A group of nerve cell bodies.
tract: Referring to the throat, esophagus, stomach,
anesthesia: A type of sleep induced during surgery
in which the patient is not awake and does not experience
pain, typically involving intubation and control of respiration
by the anesthesiologist.
risks: Risks common to many type of surgery.
matter: The areas of the brain or spinal cord that
have neural connections and nerve cells within them.