aberrant regeneration

ab·er·rant re·gen·er·a·tion

misdirected regrowth of nerve fibers seen, for example, after oculomotor nerve injury.

aberrant regeneration 

An abnormal regeneration process following paralysis or paresis of the fibres of the third cranial nerve (oculomotor) in which the upper lid fails to follow the eye on downward gaze or even retracts on downward gaze or adduction, with occasional contraction of the pupil. Syn. pseudo-von Graefe sign.
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These signs are associated with an aberrant regeneration of the facial nerve.