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Related to polydactyly: syndactyly
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 (pŏl′ē-dăk′təl) Biology
adj. also pol·y·dac·ty·lous (-tə-ləs)
Having more than the normal number of digits.
A person or animal having more than the normal number of digits.

pol′y·dac′tyl·ism, pol′y·dac′ty·ly n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌpɒlɪˈdæktɪlɪ) or


(Biology) the state of having more digits than is typical
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.polydactyly - birth defect characterized by the presence of more than the normal number of fingers or toespolydactyly - birth defect characterized by the presence of more than the normal number of fingers or toes
human, human being, man - any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n. polidactilia, condición anormal de poseer más de cinco dedos en la mano o el pie.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
Oegema explained about their work.Hydrolethalus syndrome is a rare genetic disorder characterized by severe birth defects (hydrocephalus, polydactyly, cardio/pulmonary malformations) that result in stillbirth or early neonatal death.The majority of cases affect people of Finnish ancestry, where the incidence is roughly 1 in 20,000.
Polydactyly has been documented in humans (Wilson, 1896; Osborn, 1901; Dehus and Snyder, 1932; Nelson, 1963; Hoomick et al., 1983, 1991; Rivera et al., 1999; Theodorou et al., 2003) and wild mammals, although published observations for the latter are rare.
In uterus, As exposure is also associated with a number of birth malformations, including cleft lip and palate, polydactyly, syndactyly, spina bifida, club foot, eye malformations, and hip joint dislocation (Nordstrom et al., 1979).
An analysis into the relationship between mother's age and babies born with MSS malformations (polydactyly excluded) revealed that a greater majority of MSS malformations (69%) occurred in mothers aged between 20-29 year.
A 3-year-old boy with a history of autism, polydactyly, and micrognathia was evaluated for snoring, witnessed apneas, and nasal airway obstruction.
Extra digits, also known as polydactyly, sometimes present as an isolated finding but of ten are part of a syndrome.
Limb anomalies included syndactyly and polydactyly in one infant each, and length discrepancies in the second and third toes of two infants.
He did present with polydactyly and simian creases.
* Partial thumb polydactyly. An unusually wide nail with a bifid lunula should always be x-rayed if it is present at birth because this may reveal abnormal maturation of the distal phalanx.
Both dysmorphic facial signs (microcephaly, palatoschizis, cataracts, ptosis, micrognathia) and limb abnormalities (syndactyly of the second and third toe, polydactyly) occur in the patients.