malformation

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malformation

Pathol a deformity in the shape or structure of a part, esp when congenital
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

malformation

[‚mal·fər′mā·shən]
(medicine)
A deformity of a part of the body resulting from abnormal development.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Description, nomenclature, and mapping of a novel cerebello-renal syndrome with the molar tooth malformation. Am J Hum Genet.
Delayed eruption of permanent maxillary incisors has numerous causes such as supernumerary teeth, tooth malformation or dilacerations, tooth agenesis, cysts or other pathological obstructions in the eruptive path, retained primary incisor that has become ankylosed, presence of a dense mucoperiosteum or submucosa that acts as a physical barrier to eruption, lack of space or in association with certain syndromes.
The poor development of the forehead may lead to the maxilla and mandible being abnormally small, so that the physiological changes associated with tooth eruption may lead to tooth malformation [5-7].