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Risorius: The risorius is a paired muscle located in the face in the lower cheek area. The risorius originates on the parotid fascia and inserts on the modiolus of the mouth. The risorius pulls the mouth in a lateral direction, as in the smiling expression. It is innervated by the facial nerve. Not every person has a risorius.
Conditions that can afflict the risorius include stroke, Bell's palsy, myalga, tears, strains, myopathy, atrophy, infectious myositis, neuromuscular diseases, lacerations and contusions.
The following organs are closely related to the organ: Risorius:
The following conditions are related to the organ: Risorius:
The following list contains sub-parts of the organ: Risorius:
These symptoms are related to afflictions of the organ: Risorius:
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