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===== Functional =====
 
===== Functional =====
*Megacolon
   
*Paralytic ileus is a common condition that can occur following trauma or abdominal surgery.  Intestinal stasis leads to distension with gas and fluid as well as a flaccid intestinal wall.   
 
*Paralytic ileus is a common condition that can occur following trauma or abdominal surgery.  Intestinal stasis leads to distension with gas and fluid as well as a flaccid intestinal wall.   
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*Dysautonomia is a condition that most notably affects horses and cats. 
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**Equine dysautonomia (grass sickness) occurs mostly in the UK and western Europe.  ''Clostridium botulinum'' is thought to be implicated although the exact cause is still unknown.  Affected animals are dull, restless, show signs of colic, and in acute cases become severly tympanic, avoid swallowing and salivate excessively.  Degenerative lesions are seen in the autonomic nerve ganglia, including enteric plexuses. 
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**Feline dysautonomia (Key-Gaskell syndrome) occurs mostly in the UK and continental Europe.  It is also of unknown aetiology although environmental toxins, infectious agents and botulinum toxins have been suggested as causative factors.  Clinical signs include anorexia, depression, bradycardia, decreased lacrimation, altered pupillary dilataion, megaoesphagus and constipation.  As in equine dysautonomia, degenerative lesions of autonomic nerve ganglia can be seen.
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====== Dysautonomia ======
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Grass sickness in horses, Feline
      
==== Displacement ====
 
==== Displacement ====
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