Definition of detorsion in English:

detorsion

Line breaks: de|tor¦sion
Pronunciation: /dɪˈtɔːʃ(ə)n
 
/

noun

[mass noun] Zoology
(In gastropod molluscs) the evolutionary reversion of a group to a primitive linear body plan. Compare with torsion.
More example sentences
  • The latter group includes radically modified animals, the Opisthobranchia and Pulmonata, which undergo detorsion and essentially re-evolve bilateral symmetry.
  • Some species undergo reverse torsion (‘detorsion’), but evidence of having passed through a twisted phase can be seen in the anatomy of these forms.
  • The bodies of most members of this group show evidence of detorsion.

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