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Nematocysts

Published on Nov 19, 2015

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PRESENTATION OUTLINE

1.

WHAT IS A NEMATOCYST?

Photo by cliff1066™
2.

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3.

WHAT IS A CNIDOCYTE?

Photo by NOAA Ocean Explorer
4.

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5.

DIFFERNT KINDS OF NEMATOCYSTS

  • Penetrants- pierce the body of prey
  • Volvents- attaches to small projections
  • Spirocytes- coiled around the capsule in resting stage
  • Ptychocysts- Tubules that form adhesive net on release
Photo by pierre pouliquin
6.

DIFFERENT KINDS OF NEMATOCYSTS

  • Glutinants- inject hypnotoxin
  • Stereoline glutinants- have a strait and unharmed tube at the tip
  • Streptoline glutinants- tip has a spiral row of small pines.
Photo by uccsbiology
7.

HOW DO NEMATOCYSTS HELP CNIDARIANS?

Photo by alumroot
8.

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Chandler Hageman

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