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Cnidocytes (stingin cells), located mostly along jellyfish tentacles, are activated only if their cnidocilium(a structure of the cnidocytes) touches and recognizes some specific organic compounds; in this way, they don't sting themselves, other jellyfish of the same species and other similar species, while can recognize and sting preys and predators even when the tentacle is no longer attached to the jellyfish body; however, is possible that nervous system, in some cases, can choose indipendently if to sting or not.
When activated, pressure inside the cnidocyte builds and it bursts open. A barbed lance springs out, which pierces the victim's skin. Then venom inside the cnidocyte flows through the lance into the victim. The venom's potency depends on the species: some species of jellyfish do not have a sting noticeable to humans while others can be lethal. A jellyfish sting is caused by thousands of cnidocytes.
There is a video of a cnidocyte in action at http://www.jellyfishart.com/kb_results.asp?ID=11
What else can I help you with?
Why doses jellyfish sting?
jellyfish sting to protctet themselfe
How bad is a jellyfish's sting?
A jellyfish sting from a box jellyfish can kill a person in minutes if not treated. From other jellyfish, it might only sting. you can atually help it if you urinate on it.
Why do jellyfish not sting other jellyfish?
They do.
Why don't jellyfish sting?
They do sting.
What do you not put on a jellyfish sting?
another jellyfish!!
When do jellyfish sting in NC?
there are no jellyfish in NC
Can jellyfish sting other jellyfish including itself?
no
What is the difference between the octopus and the jellyfish?
jellyfish sting
Should you use meat tenderizer for a jellyfish sting?
You should use meat tenderizer for a jellyfish sting.
Can a jellyfish sting?
yes
Where do jellyfish not sting you?
your sphincter
What is a simile for jellyfish?
The jellyfish sting burned like lightning.
