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Deviation from the average or norm; anything that is structurally unusual or irregular or contrary to a general rule. Congenital defects are an example of the definition of a.. [G. anomalia, irregularity]
- Alder a. coarse azurophilic granulation of leukocytes, especially granulocytes, which may be associated with gargoylism and Morquio syndrome.
- Aristotle a. when a small object is held between the first and second fingers crossed in such a way that it touches or presses upon skin surfaces that ordinarily are not pressed upon simultaneously by a single object, it is perceived falsely as two.
- Ebstein a. congenital downward displacement of the tricuspid valve into the right ventricle. SYN: Ebstein disease.
- eugnathic a. SYN: eugnathia.
- Freund a. a narrowing of the upper aperture of the thorax by shortening of the first rib and its cartilage; formerly believed to predispose to tuberculosis because of defective expansion of the lung apex.
- Hegglin a. a disorder in which neutrophils and eosinophils contain basophilic structures known as Döhle or Amato bodies and in which there is faulty maturation of platelets, with thrombocytopenia; autosomal dominant inheritance. SYN: May-Hegglin a..
- morning glory a. congenital a. of the optic disk in which the nerve head is funnel-shaped, with a dot of white tissue at the end of the excavation, and is surrounded by an elevated pigmented annulus; the retinal vessels seen are multiple narrow bands at the edge of the disk.
- Pelger-Huët nuclear a. [MIM*169400] congenital inhibition of lobulation in the nuclei of neutrophilic leukocytes; most cells present band or bilobulate appearance, and only an occasional cell is trilobed; it is not associated with disease, but may be confused with leukocyte “shift to left”; autosomal dominant inheritance.
- Shone a. coarctation of the aorta, subaortic stenosis, and stenosing ring of the left atrium found in association with a parachute mitral valve.
- Uhl a. right ventricular myocardial aplasia, causing a dilated, thin-walled right ventricle without murmurs; death results in early childhood. SYN: parchment right ventricle.
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anom·a·ly ə-'näm-ə-lē n, pl -lies a deviation from normal esp. of a bodily part <the infants demonstrated congenital anomalies> <personality anomalies>
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n.
any deviation from the normal, especially a congenital or developmental defect.
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anom·a·ly (ə-nomґə-le) [Gr. anōmalia] marked deviation from the normal standard, especially as a result of congenital defects.Medical dictionary. 2011.