NCIt definition : Partial or complete paralysis of the facial muscles of one side of a person's face.
It is caused by damage to the seventh cranial nerve. It is usually temporary but it
may recur.;
Alternative definition : NICHD: A condition characterized by reduced or absent movement of the ipsilateral
face as a consequence of an injury to the seventh cranial nerve.; FDA: A partial or complete loss of function of one or more of the facial muscles resulting
in paralysis of the facial regions. Includes both central and peripheral facial paralysis
or palsy.;