Share this entry

Share this page

detorsion

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

Definition of detorsion in English:

noun

[mass noun] Zoology
(In gastropod molluscs) the evolutionary reversion of a group to a primitive linear body plan. Compare with torsion.
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.

Definition of detorsion in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day orthoepy
Pronunciation: ôrˈTHōəpē
noun
the correct or accepted pronunciation of words