replaced. Each cnidocyte contains an organelle called a cnida, cnidocyst, nematocyst, ptychocyst or spirocyst. This organelle consists of a bulb-shaped capsule...

A nematocyst is a subcellular structure or organelle containing extrusive filaments found in two families of athecate dinoflagellates (a group of unicellular...

are known: Nematocysts inject venom into prey, and usually have barbs to keep them embedded in the victims. Most species have nematocysts. Spirocysts...

rings encircling their tentacles. They are bell-shaped with light purple nematocyst warts. The bell is transparent, colourless and has a height of 31 mm....

called cnidocytes. Cnidocytes contain specialized structures called nematocysts, which look like miniature light bulbs with a coiled thread inside. At...

revealed that the myotoxicity caused by the presence of Nemopilema nomurai nematocyst venom (NnNV) in the body, which leads to Oedematogenic effects on the...

war and other venomous siphonophores. This sea slug stores stinging nematocysts from the siphonophores within its own tissues as defence against predators...

siphonophore species exhibit nematocyst stinging capsules on branches of their tentacles called tentilla. The nematocysts are arranged in dense batteries...

are armed with nematocysts, a type of specialized stinging cell. Contact with a jellyfish tentacle can trigger millions of nematocysts to pierce the skin...

cnidocysts (also called nematocysts). The toxins in their nematocysts are effective against their prey. While cnidarians all possess nematocysts, in some species...

nematocysts, preventing them from opening and releasing venom. A 2014 study demonstrated in vitro that while vinegar deactivates unfired nematocysts,...

thought to be one of the earliest predators, catching small prey with its nematocysts as modern cnidarians do. Some palaeontologists have suggested that animals...

containing nematocysts, a harpoon-shaped microscopic mechanism that injects venom into the victim. Many different kinds of nematocysts are found in...

and are extremely toxic. The nematocysts that release the toxins are segmented on the pedalium. The tentacular nematocysts are often adhered to the skin...

color can warn other animals of the sea slug's toxic stinging cells (nematocysts) or offensive taste. Like all gastropods, they have small, razor-sharp...

hydrozoids can store the hydrozoids' nematocysts (stinging cells) in the dorsal body wall, the cerata. These stolen nematocysts, called kleptocnidae, wander through...

contain stinging nematocysts, capsule-like organelles capable of everting suddenly, giving the phylum Cnidaria its name. Each nematocyst contains a small...

Each tentacle bears tiny, coiled, thread-like structures called nematocysts. Nematocysts trigger and inject venom on contact, stinging, paralyzing, and...

tentacles (compared with up to fifteen tentacles in Chironex fleckeri). The nematocyst threads are lavender. The manubrium is cross-shaped with lancet-shaped...

Ulrike; Özbek Suat; Holstein Thomas W (2006). "Nanosecond-scale kinetics of nematocyst discharge". Current Biology. 16 (9): R316 – R318. Bibcode:2006CBio...16...

the order Carybdeida. Each branch houses its own individual tentacle. Nematocyst composition and type can vary among individuals within this family based...

to 30 mm wide. The exumbrella has four interradial and four perradial nematocyst tracks that are short in length. It has a well-developed velum. Normally...

a fibrous material, which is made from secreted mucus and threads of nematocyst-like organelles, known as ptychocysts. The basic body form of an anthozoan...

tentacles house the nematocysts which are stinging cells.Type I nematocysts (homotrichous microbasic rhopaloids) and Type II nematocysts (homotrichous haplonemes)...

feeding pattern in the pelagic zone, and was documented to have rows of nematocysts. Few species have been well-defined within the genus otherwise. Apolemia...

jellyfish stings, both numbing the affected area and preventing further nematocyst discharge. For gastritis, drinking a viscous lidocaine formulation may...

conditioning" in which they consume the nematocyst from their prey in response for predators in the same environment. Nematocysts are found in the epidermal mucus...

jellyfish. When disrupted, the cannonball secretes a mucus out of its nematocyst that contains a toxin. The toxin harms small fish in the immediate area...

column between 3 and 6 cm in size. Like many cnidarians, they rely on nematocysts for protection and to capture prey. They are not difficult to care for...

Firing sequence of the cnida in a hydra's nematocyst   Operculum (lid)   "Finger" that turns inside out / / / Barbs   Venom   Victim's skin   Victim's...