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In early human fetal development, webbing (syndactyly) of the toes and fingers is normal. At about 6 weeks of gestation, apoptosis takes place due to a protein named sonic hedgehog, also known as SHH, which dissolves the tissue between the fingers and toes, and the webbing disappears. In some fetuses, this process does not occur completely ...
An example of interdigital webbing on an Abah River flying frog.. In oryzomyines, a mainly South American rodent group, the marsh rice rat, Pseudoryzomys simplex, and Sigmodontomys alfari all have small webs, which do not extend to the end of the proximal phalanges, whereas Amphinectomys savamis, Lundomys molitor and the members of the genera Holochilus and Nectomys have more expansive webbing ...
A pair of wicket-keeper's gloves. The webbing which helps the keeper to catch the ball can be seen between the thumb and index fingers. Wicket-keeper's gloves are large gloves used in cricket and worn by the wicket-keeper of the fielding team, which protect the hands of the wicket-keeper when catching balls bowled by the bowler, hit by a batter or thrown by a fielder.
A hand web piercing is a piercing through the web of the hand (Interdigital Fold) between two digits, such as between the fore-finger and middle-finger or fore-finger and thumb. This piercing has a high rate of rejection because of the nature of the tissue and how dynamic or mobile the area is. [1]
The fig sign is a mildly obscene gesture that uses a thumb wedged in between two fingers. The gesture is most commonly used to ward off the evil eye , insult someone, or deny a request. It has been used at least since the Roman Age in Southern Europe and parts of the Mediterranean region , including in Turkish culture .
Webbing between the second and third finger and between the second and third toes [2] Short fingers and toes (brachydactyly) [4] Broad thumb and/or a broad hallux (big toe) with a valgus deformity (outward angulation of the distal segment of a bone/joint) [6] Hands have a single palmar flexion crease [3]
In heterozygous cases, where individuals have one rare HOXD13 allele, common symptoms include fused third and fourth fingers, sometimes with an extra small finger within the webbing. [8] [9] The feet may show skin webbing between the fourth and fifth toes.
Presentations of polysyndactyly vary in location and size of the duplicated digit, and in the extent of webbing between digits. [2] [3] [4] The extra digit is most commonly postaxial, [5] on the same side as the pinky or little toe. [3] Preaxial polysyndactyly, in which the duplicated digit is on the side of the thumb or big toe, is less common ...