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A white-headed dwarf gecko with tail lost due to autotomy. Autotomy (from the Greek auto-, "self-" and tome, "severing", αὐτοτομία) or 'self-amputation', is the behaviour whereby an animal sheds or discards an appendage, [1] usually as a self-defense mechanism to elude a predator's grasp or to distract the predator and thereby allow escape.
The ability and degree of regeneration in reptiles differs among the various species (see [111]), but the most notable and well-studied occurrence is tail-regeneration in lizards. [112] [113] [114] In addition to lizards, regeneration has been observed in the tails and maxillary bone of crocodiles and adult neurogenesis has also been noted.
Slow worms exhibit caudal autotomy, the severing of the tail when it is pulled by predators. [10] When regrown, the tail grows back only to a short stub, probably because loss of the tail does not sufficiently affect the species' locomotion, foraging and defence abilities to necessitate full and rapid regeneration. [11]
Tropidophorus grayi Conservation status Least Concern (IUCN 3.1) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Squamata Family: Scincidae Genus: Tropidophorus Species: T. grayi Binomial name Tropidophorus grayi Günther, 1861 Range of T. grayi in the Philippines Tropidophorus grayi, commonly called the spiny waterside skink, Gray's keeled ...
Hox genes play a massive role in some amphibians and reptiles in their ability to regenerate lost limbs, especially HoxA and HoxD genes. [1]If the processes involved in forming new tissue can be reverse-engineered into humans, it may be possible to heal injuries of the spinal cord or brain, repair damaged organs and reduce scarring and fibrosis after surgery.
Despite making up 15% of reptiles, skinks have a relatively conserved chromosome number, between 11 and 16 pairs. [21] Skink genomes are typically about 1.5 Gb, approximately one-half the size of the human genome. The Christmas Island blue-tailed skink (Cryptoblepharus egeriae) was sequenced in 2022, representing the first skink reference ...
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Snake scales also appear to have affected Islamic art in the form of tessellated mosaic patterns which show great similarity to snake-scale patterns. [37] Snakeskin, with its highly periodic cross-hatch or grid patterns, appeals to people's aesthetics and have been used to manufacture many leather articles including fashionable accessories. [37]