1. 
   risorius
   (muscle) Type: Term Definitions: 1. facial muscle of mouth; origin, from platysma and fascia of masseter; insertion, orbicularis oris and skin at corner of mouth; action, draws angle of mouth laterally, lenghthening rima oris; nerve supply, facial. Synonyms: musculus risorius, Albinus muscle1...
   Found op http://www.medilexicon.com/medicaldictionary.php?t=57061
   
   
2. 
   Risorius
   The risorius is a muscle of facial expression which arises in the fascia over the parotid gland and, passing horizontally forward, superficial to the platysma, inserts onto the skin at the angle of the mouth. It is a narrow bundle of fibers, broadest at its origin, but varies much in its size and f...
   Found op http://en.wikipedia.org/wiki/Risorius
   
   
3. 
   risorius
   <anatomy, muscle> Origin, from platysma and fascia of masseter; insertion, orbicularis oris and skin at corner of mouth; action, draws angle of mouth laterally, lenghthening rima oris; nerve supply, facial. ... Synonym: musculus risorius, Albinus' muscle, Santorini's muscle. ... Origin: L. Ris...
   Found op http://www.mondofacto.com/facts/dictionary?risorius
   
   
4. 
   Risorius
   The risorius muscle (Albinus muscle; Santorini's muscle) is a narrow bundle of fibres that originate from the fascia just above the masseter muscle and extends horizontally forward to insert in the skin at the angle of the mouth. It is innervated by the facial nerve (VII cranial nerve) and supplied ...
   Found op http://www.probertencyclopaedia.com/browse/ER.HTM
   
   
5. 
   risorius
   Type: Term Pronunciation: ri-sō′rē-ŭs See: risorius (muscle)
   Found op http://www.medilexicon.com/medicaldictionary.php?t=78776
   
   
6. 
   risorius
   Latin risor = scoffer; hence, muscle risorius is the facial muscle which expresses laughter by drawing the corner of the mouth laterally.
   Found op http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?
   
   

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