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  • Which of the following is the sensitive structure on the cnidoblast?Option: 1 CnidocilOption: 2</strong

Which of the following is the sensitive structure on the cnidoblast?

Option: 1

Cnidocil


Option: 2

Statolith


Option: 3

Statocyst


Option: 4

None of the above


Answers (1)

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Cnidocytes / Cnidoblast -

  • The cnidocytes are the stinging cells present in the body wall of the cnidarians. 
  • Each cnidocyte contains an organelle called nematocyst. 
  • Nematocyst consists of chitinous barb which is filled with the hypnotoxin. 
  • A thread like structure is attached to the barb.
  • The outer wall of the cnidocyte has a touch-sensitive projection called cnidocil. 
  • When touched, the thread is fired from the cnidocyte and coils around the prey. 
  • The hypnotoxin is injected into the prey’s body. 

 

 

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The outer wall of the cnidocyte has a touchsensitive projection called cnidocil. When touched, the thread is fired from the cnidocyte and coils around the prey.

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