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The infundibulum provides adhesion while the acetabulum remains free, and muscle contractions allow for attachment and detachment. [34] [35] Each of the eight arms senses and responds to light, allowing the octopus to control the limbs even if its head is obscured. [36] A finned Grimpoteuthis species with its atypical octopus body plan
Cephalopod limbs bear numerous suckers along their ventral surface as in octopus, squid and cuttlefish arms and in clusters at the ends of the tentacles (if present), as in squid and cuttlefish. [9] Each sucker is usually circular and bowl-like and has two distinct parts: an outer shallow cavity called an infundibulum and a central hollow ...
An adult wunderpus octopus displays an individually unique pattern of white spots and bands over a rusty brown background. Even though each body pattern is unique to the individual, generally all wunderpus octopuses display a circular pattern of about six white spots at the posterior lip of its mantle, head and neck area. Some of these spots ...
Sunflower sea star regenerates its arms. Dwarf yellow-headed gecko with regenerating tail. Regeneration in biology is the process of renewal, restoration, and tissue growth that makes genomes, cells, organisms, and ecosystems resilient to natural fluctuations or events that cause disturbance or damage. [1]
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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.
Growing new limbs from an amputation site is a major bioengineering challenge. For now, only lab frogs and mice get successful regrowth therapy. Researchers are getting better at regenerating lab ...
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.