meninges. plural of meninx; the three membranes covering the brain and spinal cord: the dura mater, arachnoid, and pia mater. adj., adj meninÂ´geal.Meninges of the central nervous system.eninx. Etymology: Gk, meninx, membrane. the three membranes enclosing the brain and the spinal cord, comprising the dura mater, the pia mater, and the arachnoid membrane. The pia mater and the arachnoid can become inflamed by bacterial meningitis, causing serious complications that may be life-threatening.
The exact cause of cholangiocarcinoma is unknown, and most cases occur sporadically, but there are several well-defined risk factors. The most common of these is primary sclerosing cholangitis (PSC). The true incidence of cholangiocarcinoma in the setting of PSC is reported as 8%-40%, depending on the type of study.
Cholangiocarcinoma is a rare and often fatal cancer that affects the bile ducts. The bile ducts are a series of tubes that transport digestive juices called bile from your liver, where it is made, to your gallbladder, where it is stored.From there, the ducts carry bile to your gut, where it helps to break down fats in the foods you eat.n additional rare but serious symptom is the enlargement of your liver, spleen, or gallbladder. You may also have more general symptoms, such as: 1  chills and fever. 2  loss of appetite.