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Polydactyly

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polydactyly [‚päl·i′dak·təl·ē]
(medicine)
The condition of having supernumerary fingers or toes.
Polydactyly 

the presence of extra digits on the hand or foot. The most common congenital developmental anomaly, polydactyly includes such anomalies as doubling of the ungual phalanx or the presence of small digitiform cutaneous appendages. It occurs most commonly in the form of six digits, usually located on a single extremity; no more than 12 or 13 digits on one extremity have been observed. The extra digit is usually located on the inner or outer margin of the hand, and the majority of extra digits are underdeveloped. Polydactyly is corrected surgically.
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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.
Researchers Identify Molecular Basis of Developmental Disorder by FARS News Agency
About half of the cats sport extra toes on each paw, a condition called polydactyly (pol-ee-DAK-til-ee).
Famous cats, fenced in: the fur is flying over the fate of a group of ... by Crane, Cody / Science World
1) A challenge to that theory was provided by the results of a case series by McClay et al, who studied three generations of a family in which 5 of 8 members available for examination had polydactyly and some degree of cleft epiglottis,s As a result, the true etiology behind these anomalies is still unknown.
Bifid epiglottis by Horne, Stefanie K.; Michaelson, Peter G.; Weitzel, Erik / Ear, Nose and Throat Journal
 
 
 
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