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Transverse commissures

Option: 1

Connect the cerebral ganglia


Option: 2

Connect the longitudinal nerve cord


Option: 3

Connect the transverse nerve cord


Option: 4

None of the above

 


Answers (1)

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Nervous System of Platyhelminthes:

  • The Platyhelminthes show cephalization, i.e., the grouping of neurons at the anterior end of the body. 
  • They show a characteristic ladder-like nervous system. 
  • There is a pair of nerve cords that are connected through numerous nerves transversely, known as transverse commissures. 
  • A concentration of ganglion is present at the anterior end called cerebral ganglia that have chemosensitive and photosensitive cells (eyespots). 

There is a pair of nerve cords that are connected through numerous nerves transversely, known as transverse commissures.

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