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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.
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 feature of the axolotl that attracts most attention is its healing ability: the axolotl does not heal by scarring and is capable of the regeneration of entire lost appendages in a period of months, and, in certain cases, more vital structures, such as tail, limb, central nervous system, and tissues of the eye and heart. [29]
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 ...
The tail drops off and wriggles around for a while after an attack, and the salamander either runs away or stays still enough not to be noticed while the predator is distracted. The tail regrows with time, and salamanders routinely regenerate other complex tissues, including the lens or retina of the eye. Within only a few weeks of losing a ...
Now, this remarkable club of life-cycle-reversing organisms includes the comb jelly Mnemiopsis leidyi, adding a new chapter to what is understood about animal regeneration and development. Image ...
Lumbricus terrestris (Linnaeus, 1758) replacing anterior segments from as far back as 13/14 and 16/17 but tail regeneration was never found. Perionyx excavatus (Perrier, 1872) readily regenerated lost parts of the body, in an anterior direction from as far back as 17/18, and in a posterior direction as far forward as 20/21.
This reptile gets its common name from the cranial bumps that give the appearance of horns or ears; in fact, auriculatus is Latin for "ears" or "eared", depending on the case. [5] Other characteristics of this gecko include a thin prehensile tail which will regenerate if it drops off, [6] as well as small adhesive [7] toe pads. Although these ...