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Diseases » Moyamoya Disease » Glossary

Glossary for Moyamoya Disease

  • Atherosclerosis: Atherosclerosis is a syndrome affecting arterial blood vessels. It is a chronic inflammatory response in the walls of arteries, in large part due to the accumulation of macrophage white blood cells and promoted by low density (especially small particle) lipoproteins (plasma proteins that carry cholesterol and triglycerides) without adequate removal of fats and cholesterol from the macrophages by functional high density lipoproteins (HDL). It is commonly referred to as a hardening or furring of the arteries. It is caused by the formation of multiple plaques within the arteries.
  • Blood vessel conditions: Conditions that affect the blood vessels
  • Brain conditions: Medical conditions that affect the brain
  • Cerebrovascular Conditions: Conditions of the brain's blood vessels including stroke.
  • Cerebrovascular accident: Occurs when the blood supply to the brain is interrupted and results in cell injury and death.
  • Circulatory system conditions: Medical conditions affecting the heart and the circulatory system.
  • Head Conditions: Conditions that affect the head
  • Hemiparesis: One-sided paralysis of the body
  • MoyaMoya disease 1: A very rare disorder involving progressive blocked arteries at the base of the brain (basal ganglia). Type 1 is caused by a genetic defect on chromosome 3p26-p24.2.
  • Seizures: A rare syndrome characterized by mental retardation, seizures and high levels of hydroxylysine in the urine.
  • Sensations: Changes to sensations or the senses
  • Speech symptoms: Problems with speech or voice.
  • Stroke: Serious brain event from bleeding or blood clots.
  • Stroke symptoms: Brain-related symptoms of bleeding or blockage.
  • Syncope: Temporary loss of conciousness or fainting.
  • Thrombosis: Blood clot occurring in a blood vessel
  • Transient Ischemic Attack: Temporary disturbance of blood supply to a restricted area of the brain, resulting in brief neurologic dysfunction that persists, by definition, for less than 24 hours.


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