A jellyfish’s lifespan usually ranges from somewhere between a few hours for the smallest species to several months and rarely to a few years for the bigger species. How does the only 4-5 mm long Turritopsis nutricula (let’s call it T’nut) manage to beat the system?
Well, T’nut is able to transform between medusa and polyp stage, thereby reverting back from mature to immature stage and escaping death. The cell process is called transdifferentiation, when non-stem cells either transform into a different type of cell or when an already differentiated or specialised stem cell creates cells outside this specialised path.
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