Mirror

(fnirf-or) [mirari, to admire]. I. A polished surface for reflecting light or forming images of objects placed in front of it. M., Concave, one the reflecting surface of which is concave. M., Convex, one with a convex reflecting surface. M., Frontal, M., Head-, a circular mirror with a central perforation, strapped to the head by a band, and used to throw light on parts to be examined. M., Laryngoscopies M., Ophthalmoscopic, M., Rhinoscopic; a mirror used respectively in laryngoscopy, ophthalmoscopy, and rhinoscopy, to illuminate the cavity to be inspected. M., Plane, one the reflecting s face of which is flat. M.- writing, a peculiar form of writing at times observed in left handed persons, and in cases of aphasia, and characterized by a reversal of the form and arrangement of the letters, which appear as if seen in a mirror. 398