In the 19th century, a Scottish physician, Sir Charles Bell, described the anatomy of the seventh cranial nerve. The occurrence of a “droop” on one side of the face has gained attention from neurologists and other medical doctors over the decades, and the name of the condition is, of course, in honor of Bell [1, 2].
The seventh cranial nerve is the same as the facial nerve, and it has many roles for humans. For example, it controls facial expression, taste, tear production from the eyes, salivation, and sensation of the ears. This important nerve also participates in smiling, frowning, and blinking of the eyes. Hence, it is a mixed sensory and motor nerve, and whenever damage to it takes place, the consequences can be somewhat devastating for the patient [1, 2].