Nematocysts
tentacles
Yes, cnidarians are animals that are jelly fish like (including jelly fish). Cnidarians have stinging cells located on there tentacle's, they explode once any thing touches it shocking (or paralyzing) any prey that passes by it.
a tentacle
The name of a snail's tentacle is a tentacle because there is no specific name for it.It's like asking what is the name of a dog's paw?>it's a paw....
Cnidocytes
The arm of an octopus is called a tentacle.
They are called nematocytes. They are one of at least three types of cnidocytes, the very definition of the phylum. Nematocytes sting, the other two types of cnidocytes either adhere, or gum up their prey, substrate, or that guy that wears a helmet and does super glue commercials.
I only know of a pair of tentacles in Gastropods, precisely the Pulmonates, which is a modified pair called the rhinophores
what is the arm like structures surrounding the mouth of cnidarians
The stinging cells of cnidarians, called cnidocytes, are located on specialized structures called nematocysts. These nematocysts are found on the tentacles of cnidarians and are used for defense and capturing prey.
Cnidarians all have stinging cells called nematocysts with which to catch their prey.
It is called a nerve net .