| Aneurysm: |
An abnormal outward bulge in a blood vessel wall. |
| Artery: |
A vessel that carries blood from the heart to tissues of the body. |
| Catheter: |
A thin, flexible tube that allows contrast solution to be injected into it to visualize vessels on an x-ray image. |
| Cerebellum: |
A large dorsally projecting part of the brain concerned especially with the coordination of muscles and the maintenance of bodily equilibrium. |
| Cerebral Edema: |
Swelling of the brain. |
| Cerebral Angiography: |
A radiology procedure using x-ray and opaque dye that helps identify abnormalities of the blood vessels within the brain. |
| Cerebrum: |
The cerebrum comprises the largest section of the brain. It is divided into two hemispheres (right and left). Each hemisphere is further divided into four lobes: frontal, occipital, parietal and temporal. |
| Contrast: |
A solution of iodine salts and water that is injected into blood vessels so that they may be visualized on X-ray. |
| Cranium: |
Also known as the skull; the bone that encloses the brain. |
| Embolics: |
Materials and agents that can be permanent or temporary, solid or liquid, suspendable particles versus discrete large single objects. Used to abstract or occlude a structure or vessel. |
| Embolism: |
Obstruction of a blood vessel by foreign substances or a blood clot. |
| Embolus: |
Traveling foreign substance or a blood clot. |
| Embolization: |
Blockage of a blood vessel so blood can no longer flow through it. |
| Endovascular: |
Occurring inside blood vessels. |
| Endovascular Coiling procedure: |
Treatment of an aneurysm using tiny coils and working within the blood vessel. |
| Hemorrhage: |
Bleeding, often times as a result of a problem with a blood vessel. |
| Hypophysis: |
Another term for the pituitary gland. |
| Hypoxia: |
Insufficient supply of oxygen rich blood. |
| Infarct: |
An area of necrosis resulting from a sudden insufficiency of arterial or venous blood supply. |
| Interventional Neuroradiology: |
Use of guiding devices in the vascular pathways of the brain and spinal cord to provide or deliver therapeutic treatment to the brain. |
| Necrosis: |
Pathologic death of one or more cells of a portion of tissue or organ. |
| Occlusion: |
Blockage of a vessel. |
| Sheath: |
A short, hollow tube placed in the femoral artery located at your groin and sewn in place, allowing easy entry into the artery for catheters and guide wires. |
| Stenosis: |
A narrowing of the blood vessel. |
| Stroke: |
Disease process that results in the death of cells in any area of the brain. |
| Subarachnoid Hemorrhage: |
Bleeding in the space between the tissues covering the brain and the arachnoid. |
| Thrombus: |
A blood clot that adheres to the vessel wall. |
| Vasospasm: |
Narrowing of the vessel, typically in response to the initial rupture of the aneurysm. |