|
|
 |
|
|
|
|
| pte·ryg·i·um [ tə ríjjee əm ] (plural pte·ryg·i·ums or pte·ryg·i·a [ tə ríjjee ə ]) |
noun |
|
| Definition: |
| |
vision-obstructing tissue growing on eye: a triangular patch of tissue that obstructs vision by growing over usually the inner side of the eye. It results from degeneration of the cornea and is associated with prolonged exposure to sun and wind.
|
| [Mid-17th century. Via modern Latin< Greek pterugion "little wing" < pterux "wing"] |
|
|
|
