The nerves of the brain and the spinal cord are protected by three surrounding membranes: the dura mater, arachnoid mater, and pia mater. Arachnoiditis is a pain disorder that develops when the ...

Adult spinal arachnoid cysts (SACs) are uncommon pathogenic entities that frequently manifest as back discomfort or myelopathy. Theories about the pathophysiology of these cysts, ...

An arachnoid cyst is a pocket of spinal fluid in the brain's arachnoid layer, between the thick, ... The arachnoid layer looks like a web of an arachnid, or a spider.

Arachnoiditis is a painful condition of the spine caused by inflammation in the arachnoid. It can develop after spinal surgery or injury. Learn more.

Arachnoid cysts are the most common type of brain cyst. They're not tumors, but cysts filled with cerebrospinal fluid (a clear liquid that surrounds your brain and spinal cord). Most people who ...

An arachnoid cyst is most likely to develop in your head, but it can also develop around your spinal cord. It’s called an arachnoid cyst because it occurs in the space between your brain, or ...

Purpose: Lymphedema-distichiasis syndrome is characterized by the presence of lower limb lymphedema and supernumerary eyelashes arising from the Meibomian glands. Spinal extradural arachnoid cysts ...

There are six main types of brain cysts: arachnoid, pineal, colloid, dermoid, epidermoid, and neoplastic. Learn more about them here.

Arachnoid cysts are intracranial (brain) and spinal cysts. They are either caused by birth defects or by infections or trauma. Headache, enlarged head, limb pain are some of the symptoms.

Hoffer explains there are three membrane layers that cover the brain and spinal cord, one of which is the arachnoid. A cyst is a small pocket, or mass, that has filled with spinal cord fluid.

An arachnoid cyst is a pocket of spinal fluid in the brain's arachnoid layer, between the thick, ... The arachnoid layer looks like a web of an arachnid, or a spider.