Difference between revisions of "torsion"
From ZooTerms (Dictionary of Invertebrate Zoology)
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|definition=1. Spiral bending; twisting. | |definition=1. Spiral bending; twisting. | ||
| − | 2. ([[Mollusca]]: Gastropoda) The theory in ancestral gastropods that a 180-degree counterclockwise twisting occurred that caused the crossing of the pleural-visceral connectives in the nervous system to form a figure eight | + | 2. ([[Mollusca]]: [[Gastropoda]]) The theory in [[ancestral]] [[gastropods]] that a 180-degree counterclockwise twisting occurred that caused the crossing of the [[pleural]]-[[visceral]] connectives in the [[nervous system]] to form a figure eight |
|see also=[[chiastoneury]], [[detorsion]]. | |see also=[[chiastoneury]], [[detorsion]]. | ||
| + | }} | ||
[[Category:Disambiguation page necessary]] | [[Category:Disambiguation page necessary]] | ||
| + | {{Concept scheme relation | ||
| + | |scheme=Dictionary of Invertebrate Zoology | ||
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Latest revision as of 23:42, 13 September 2013
torsion (noun; Latin torquere, to twist): 1. Spiral bending; twisting.2. (Mollusca: Gastropoda) The theory in ancestral gastropods that a 180-degree counterclockwise twisting occurred that caused the crossing of the pleural-visceral connectives in the nervous system to form a figure eight
See also: chiastoneury, detorsion.
