Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • Which of the following structure is not a part of nerve ring in earthworm?  Option: 1 Subpharyngeal ganglion  </div

Which of the following structure is not a part of nerve ring in earthworm?

 

Option: 1

Subpharyngeal ganglion

 


Option: 2

Suprapharyngeal ganglion

 


Option: 3

Circumpharyngeal connectives

 


Option: 4

Segmental ganglion


Answers (1)

best_answer

 

 

Neural system of Earthworm -

Neural system of Earthworm

Nervous system 

  • In earthworm, the nervous system consists of ventral paired nerve which enlarges in each segment and form segmental ganglia
  • The nerve cord in the region of 3rd and 4th segment (anterior region) bifurcates, encircles the pharynx laterally and connects to the cerebral ganglia dorsally in order to form a nerve ring.
  • Nerve ring is formed by the connection of cerebral ganglia with subpharyngeal ganglion along with circumpharyngeal connectives.
  • Presence of nerve ring is a characteristic of earthworm.
  • The cerebral ganglia and associated nerves in the nerve ring receive and process the sensory outputs which are converted into responses of the body.

- 

 

Nerve ring is formed by the connection of cerebral ganglia with subpharyngeal ganglion along with circumpharyngeal connectives.

Posted by

vishal kumar

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

AIIMS MBBS cut-offs for general, OBC, EWS categories as per trends
anam-khan

Centre forms committee to tackle coaching dependency, dummy schools, examine JEE, NEET pressure
anam-khan

BSc Nursing NEET cut-offs for AIQ seats, central universities; counselling process, fee details

Latest Question