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Amalgam

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• Amastia

  Amastia: A rare condition wherein the normal growth of the breast or nipple does not occur. Unilateral amastia (just on one side) is often associated with absence of the pectoral muscles. Bilateral amastia (with absence of both breasts) is associated in 40% of cases with multiple congenital anomalies (birth defects) involving other parts of the […]

• Amathophobia

  Amathophobia: An abnormal and persistent fear of dust. Sufferers experience anxiety even though they realize dust poses no threat. From the Greek “amathos” (sand) and “phobos” (fear).

• Amaurosis fugax

  Amaurosis fugax: A symptom described as a shade coming down over the eye. A partial or complete loss of sight that is temporary. This temporary interference with vision is usually related to atherosclerosis in the blood vessels that supply the brain. It can also occur with excessive acceleration, as in flight. Amaurosis is the Greek […]

• Amaurotic familial idiocy

  Amaurotic familial idiocy: An outdated term for Tay-Sachs disease (TSD) which is concisely defined by OMIM (Online Mendelian Inheritance in Man) as “an autosomal recessive, progressive neurodegenerative disorder, which in the classic infantile form, is usually fatal by age 2 or 3 years, results from deficiency of the enzyme hexosaminidase A. ” “Autosomal” points to […]

• Amazia

  Amazia: A condition wherein the breast tissue is absent, but the nipple is present. Amazia is typically a result of radiation or surgery.

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