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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 ).
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 ...
They are covered with short, thick fur of medium to dark brown color. Their long tails, covered with scales rather than hair, are laterally compressed and generate a small amount of thrust, with their webbed hind feet being the main means of propulsion, [3] and the unique tail mainly important in directional stability. Muskrats spend most of ...
[11] [12] [13] The bill is relatively long (about twice the length of the head), sharply pointed, and yellow, and the webbed feet are yellow as well. [7] [14] [10] [12] The male is a glossy black-green with the wings, base of wings, and tail a glossy black-blue. [14] The tip of the tail is white. [15]
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.
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.