Some species of jellyfish are able to grow back tissue that has been lost.
"Jellyfish are one of such animals with interesting biological features," Nakajima said."For example, they have stinging cells, called cnidocytes, to capture prey."
Specifically, the team examined the distribution of special proliferating cells—which are important for cell division—in the body of the jellyfish and how the animal's intake of food could influence its body-size, shape and regenerative abilities. Cell division is a process which involves a"parent" cell producing two identical clone cells.
The medusa phase is the stage of jellyfish development that is perhaps most familiar to us because this is usually when the animal swims around and has tentacles hanging down from the umbrella-shaped main body. During this phase, male and female medusae reproduce.medusae were spread out uniformly in the umbrella-shaped body part, while in the tentacles they were collected in distinct clusters.
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