| space of Donders | The space between the dorsum of the tongue and the hard palate when the mandible is in rest position following the expiratory cycle of respiration. (05 Mar 2000) |
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| Donders, Franz | <person> Dutch ophthalmologist, 1818-1889. See: Donders' glaucoma, Donders' law, Donders' pressure, Donders' rings, space of Donders. (05 Mar 2000) |
| Donders' glaucoma | An obsolete eponym for open-angle glaucoma. (05 Mar 2000) |
| Donders' law | The rotation of the eyeball is determined by the distance of the object from the median plane and the line of the horizon. (05 Mar 2000) |
| Donders' pressure | An increase of about 6 mm Hg shown by a manometer connected with the trachea when the thorax of the dead body is opened; it is caused by the collapse of the lungs when air is admitted to the thorax. (05 Mar 2000) |
| Donders' rings | An obsolete term for the iridescent ring's or haloes observed by a cloudy cornea due to acute glaucoma. (05 Mar 2000) |