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, Santorini muscle  ...
Found on http://www.medilexicon.com/medicaldictionary.php?t=57061

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 form. ==Action== The risorius retracts the angle of
Found on http://en.wikipedia.org/wiki/Risorius

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. Risor, a laughter, fr. Rideo, pp. Risus, to laugh ...
Found on http://www.mondofacto.com/facts/dictionary?risorius

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 by the facial artery. This muscle pulls the side o
Found on http://www.probertencyclopaedia.com/browse/ER.HTM

risorius

Type: Term Pronunciation: ri-sō′rē-ŭs See: risorius (muscle)
Found on http://www.medilexicon.com/medicaldictionary.php?t=78776

risorius

Latin risor = scoffer; hence, muscle risorius is the facial muscle which expresses laughter by drawing the corner of the mouth laterally.
Found on http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?
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