Latest Polydactyly Stories

2011-07-17 06:06:41

Polydactyly is a hereditary anomaly that is relatively common in both humans and animals. Moles also have additional fingers. In their case, however, the irregularity compared to the five-finger formula of land vertebrates is the norm. An international team of researchers headed by paleontologists from the University of Zurich has now uncovered the background to the development of the mole's extra "thumb": A bone develops in the wrist that stretches along the real thumb, giving the paw a...

2009-01-31 13:55:00

A baby born in San Francisco has six perfectly formed and functional fingers and toes on his hands and feet, say doctors at Saint Luke's Hospital. Kamani Hubbard's extra digits look so normal they weren't noticed at first, said his mother, Miryoki Gross, of Daly City. Extra digits run in the father's side of the family, said dad Kris Hubbard, but none have been so perfectly developed. Kris Hubbard himself had nubs of sixth fingers removed as a child because they were non-functioning,...

2008-09-07 03:00:06

By Paetau, Anders Honkala, Heli; Salonen, Riitta; Ignatius, Jaakko; Kestila, Marjo; Herva, Riitta Abstract Hydrolethalus syndrome is a lethal malformation syndrome with a severe brain malformation, most often hydrocephaly and absent midline structures. Other frequent findings are micrognathia, polydactyly, and defective lobation of the lungs. Hydrolethalus syndrome is inherited in an autosomal recessive manner and is caused by a missense mutation in the HYLS1 gene. Here, we report the...

2006-01-12 13:15:00

NEW YORK (Reuters Health) - If pregnant smokers need another reason to quit, a new study may have found it. The habit, researchers say, may raise the risk of having a baby with extra, missing or webbed fingers and toes. Using information from a national database on U.S. births, researchers found that babies born to women who smoked during pregnancy were 31 percent more likely to have such birth anomalies as babies of non-smokers. And the more a woman smoked, the greater the risk. Li-Xing Man...

Word of the Day
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'