Definition
Inflammation of the wall of an artery, which can reduce blood flow to the tissues it supplies.
Arteritis
Modern MedicalArteritis is inflammation of the wall of an artery. The swollen wall narrows the vessel and can reduce blood flow to the tissues it supplies. Giant cell arteritis, which affects arteries in the head, causes headache, scalp tenderness and jaw pain, and can threaten eyesight. Takayasu arteritis affects larger arteries. Blood tests, scans and sometimes a biopsy confirm the diagnosis.
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