Category Archives: Venom

Stinging Cells from the Summer!

I am busy cranking away at the Smithsonian NMNH, but I wanted to share some photos of one of my favorite complex animal features: the stinging cell! Stinging cells house nematocysts, the stinging cell organelles distinctive to all cnidarians (hence the Latin translation, nettle-bearing animals). Nematocysts are thread-like capsules secreted by stinging cells that are mechanically or chemically discharged through

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Octopi Venom, Directly to the Eyeball

I was inspired by a segment on the first show of Science Friday’s Cephalopod Week when Dr. Janet Voight  (12:11 – 13:44) casually mentioned how the Curled Octopus envenomates its crustacean prey. Directly to the eyeball. Terrifying as that is (imagine the last thing you ever see are jaws puncturing your eyes, leaving you blind and paralyzed), this is a pretty

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Sea Anemones, Peptide Super Heros

Review of: J. Prentis, P., Pavasovic, A., & S Norton, R. (2018). Sea Anemones: Quiet Achievers in the Field of Peptide Toxins. Toxins, 10(1), 36. DOI:10.3390/toxins10010036 If you search the VenomZone website and look under the cnidarian section, you will notice most of these toxins are derived from sea anemones (Class Anthozoa, order Actiniaria). My first literature review is a paper about these “quiet

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