This flashcard is just one of a free flashcard set. See all flashcards!

parasympathetic fibres become compressed as they are the most superficial ones and are comressed against the petrous part of the temporal bone
causes pupil of affected side to dilate progressivley
may be caused by increased intracranial pressure and sxtra or subrudal ahemtatoma  (pupoils shoudl also be monitored in head injury, indicate compression)