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|Classification and external resources|
Human foot with partial simple syndactyly.
Webbed toes is the common name for syndactyly affecting the feet. It is characterised by the fusion of two or more digits of the feet. This is normal in many birds, such as ducks; amphibians, such as frogs; and mammals, such as kangaroos. In humans it is considered unusual, occurring in approximately one in 2,000 to 2,500 live births.
There are various levels of webbing, from partial to complete. For example, the rare Hose's Civet, a viverrid endemic to northern Borneo, has partially webbed feet. Most commonly the second and third toes are webbed or joined by skin and flexible tissue. This can reach either part way up or nearly all the way up the toe.
This condition is normally discovered at birth. If other symptoms are present, a specific syndrome may be indicated. Diagnosis of a specific syndrome is based on family history, medical history, and a physical exam. Webbed toes are also known as "twin toes," "duck toes," and "tiger toes."
The exact cause of the condition is unknown. In some cases, close family members may share this condition. In other cases, no other related persons have this condition. The scientific name for the condition is syndactyly, although this term covers both webbed fingers and webbed toes. Syndactyly occurs when apoptosis or programmed cell death during gestation is absent or incomplete. Webbed toes occur most commonly in the following circumstances:
It is also associated with a number of rare conditions, notably:
- Aarskog–Scott syndrome
- Acrocallosal syndrome
- Apert's syndrome
- Bardet-Biedl syndrome
- Carpenter syndrome
- Cornelia de Lange syndrome
- Edwards syndrome
- Jackson-Weiss syndrome
- Fetal hydantoin syndrome
- Miller syndrome
- Pfeiffer syndrome
- Smith-Lemli-Opitz syndrome
- Timothy syndrome
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Webbed toes in humans are a purely cosmetic condition. This condition does not impair the ability to perform any activity, including walking, running, or swimming.
People with webbed toes may have a slight disadvantage for activities that benefit from prehensile toes.
Psychological stress may arise from the fear of negative reactions to this condition from people who do not have webbed toes.
Webbed toes can be separated through surgery. Surgical separation of webbed toes is an example of body modification.
As with any form of surgery, there are risks of complications.
The end results depend on the extent of the webbing and underlying bone structure. There is usually some degree of scarring, and skin grafts may be required. In rare instances, nerve damage may lead to loss of feeling in the toes and a tingling sensation. There are also reports of partial web grow-back. The skin grafts needed to fill in the space between the toes can lead to additional scars in the places where the skin is removed.
Famous webbed feet 
- Dan Aykroyd – Canada, actor
- Tricia Helfer - Canada, actress
- Jacqui Hurley - Ireland, sports broadcaster
- Ashton Kutcher - United States, actor
- Joseph Stalin – Soviet Union, General Secretary of the Communist Party of the Soviet Union
- Saner, Emine (2007-09-19). "Soul survivor". The Guardian (London). Retrieved 2008-01-01.
- "Tricia Trivia". Archived from the original on 2008-03-28. Retrieved 2008-03-22.[unreliable source?]
- Tubridy, Ryan (31 August 2011). "Here's what happened on today's show...". Tubridy (RTÉ 2fm). "RTE's sports presenter Jacqui Hurley called in to tell Ryan that she also as webbed toes! Jacqui has two webbed toes on each foot. When Jacqui was younger she tried to cut them to make 'normal toes'! Now Jacqui has come to love her toes! Her Brother and Dad also have webbed feet."
- "Star Tracks (People magazine)". Retrieved 2008-03-27.
- ""Among the Dead", MississippiReview.com". Archived from the original on 2008-03-18. Retrieved 2008-03-27.
Further reading 
- Man LX, Chang B (January 2006). "Maternal cigarette smoking during pregnancy increases the risk of having a child with a congenital digital anomaly". Plastic and Reconstructive Surgery 117 (1): 301–8. doi:10.1097/01.prs.0000194904.81981.71. PMID 16404282.