It took about 1/3 of a second, or 333 milliseconds, for the venom to eject after they triggered the nematocysts. That's a significant delay from the mere 11 milliseconds it took to fire up those ...

Nanosecond-scale Release Of Stinging Jellyfish Nematocysts. ScienceDaily . Retrieved June 4, 2025 from www.sciencedaily.com / releases / 2006 / 05 / 060508180735.htm ...

THERE has in the past been considerable discussion concerning the nature of the stimulus which causes the nematocysts of Cœlenterates to discharge, In some cases, it is quite clear that the ...

Once rinsing deactivates all the nasty nematocysts, the attached bits of tentacle can be removed by coating them with shaving cream or a slurry of seawater and sand followed by shaving with a ...

Find out why the Portuguese man-of-war is not really an "it," but a "they." Discover just how much venomous punch their painful stings pack.

Nematocysts (also known as cnidocysts) of jellyfish and other cnidarians are giant exocytotic organelles of the stinging cells used for prey capture and defense. These miniature cellular weapons ...