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Webbed feet are the result of mutations in genes that normally cause interdigital tissue between the toes to apoptose. [8] Apoptosis, or programmed cell death, in development is mediated by a variety of pathways, and normally causes the creation of digits by death of tissue separating the digits.
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. In contrast, when left untreated it is very uncommon for webbed toes to cause complications beyond cosmetic considerations.
The webbed or palmated feet of birds can be categorized into several types: Palmate : only the anterior digits (2–4) are joined by webbing. Found in ducks , geese and swans , gulls and terns , and other aquatic birds ( auks , flamingos , fulmars , jaegers , loons , petrels , shearwaters and skimmers ).
Image credits: Alex Daniel. ... This breed of amphibian has two pairs of webbed feet, which allows it to have a bit of hang time. It can even adjust mid-flight and change directions.
With a beaver’s tail, webbed feet, and a duck’s bill, platypuses are one of the world’s strangest-looking creatures. They are such an unusual mammal that the first scientists to study them ...
Detail of leg and feet. The blue color of the blue-footed booby's webbed feet comes from structures of aligned collagens in the skin modified by carotenoid pigments obtained from its diet of fresh fish. The collagens are arranged in a manner that makes the skin appear blue.
Five types [4] of syndactyly have been identified in humans. The corresponding loci associated with these types and their common phenotypical expression are as follows: . type I: 2q34-q36; [5] webbing occurs between middle and ring fingers and/or second and third toes.
Police are asking for the public's help in identifying a mysterious woman found wandering by herself at 3 A.M. who claims to be a mermaid.