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Nematocyst: A Short Description
- A specialized cell under the phylum Cnidae.
What A Nematocyst Does!
- Used as a medium of Capturing/Immobilizing/Killing prey.
What A Nematocyst Looks Like!
- Encompassed by an ovular shell, which has string-like hairs surrounding the cell, and has a very long, and thin thread that surrounds it externally.
Where A Nematocyst is Located/Produced!
- Nematocysts are made within Nematoblasts, and charged Nematocysts are housed in a Nematocyte.
- A Nematocyst may be located within the tentacles of a jellyfish, or also be located within the gastric filaments of a jellyfish.
How A Nematocyst Strikes/Attacks Prey!
- Since Nematocysts are generally within organisms that don't have teeth, these organisms have to use Nematocysts to protect themselves, and attack their enemies.
- Organisms capture their prey with their tentacles, and discharge Nematocysts through them immobilizing prey.
- Organisms extend threads that are part of the Nematocysts into their enemies, and excrete toxins that can be lethal.
- Organisms that touch their prey with their stinging Nematocyst tentacles, can paralyze them for a short period, so they can have time to release the finishing blow.
How/What Will Happen If A Nematocyst Is Damaged!
- If the Nematoblasts that continually produce Nematocysts are destroyed, there will simply be no more production of Nematocysts
- If Nematocysts are no longer produced, then the organism no longer has any means to protect itself, and will be killed or eaten.
This is a diagram of what a Nematocyst looks like under a Light Microscope.
The specialized Nematocyst cells are present in the tentacles of the jellyfish.
The results after Nematocysts have been discharged; the skin has external tearing.
"The Free Automatic Bibliography and Citation Maker." EasyBib. N.p., n.d. Web. 23 Nov. 2012. <http://easybib.com/>.
"NOAA's National Ocean Service: Diagram of Nematocyst Cell." NOAA's National Ocean Service: Diagram of Nematocyst Cell. N.p., n.d. Web. 23 Nov. 2012.<gov/education/kits/corals/media/supp_coral01b.html>.