Advertisement
Advertisement
pterygium
[ tuh-rij-ee-uhm ]
noun
, Ophthalmology.
, plural pte·ryg·i·ums, pte·ryg·i·a [t, uh, -, rij, -ee-, uh].
- an abnormal triangular mass of thickened conjunctiva extending over the cornea and interfering with vision.
Discover More
Other Words From
- pte·rygi·al adjective
Discover More
Word History and Origins
Origin of pterygium1
1650–60; < New Latin < Greek pterýgion little wing or fin, equivalent to pteryg- (stem of ptéryx ) wing, fin + -ion diminutive suffix
Discover More
Example Sentences
Pterygium should be removed when advancing across the cornea, especially when the pupillary area is becoming involved.
From Project Gutenberg
Each consists of a basal portion, the basi-pterygium, and of a number of dermal rays.
From Project Gutenberg
There is always a large basi-pterygium which lies imbedded in the muscles and meets its fellow at its proximal end.
From Project Gutenberg
In Chimaera all three basalia are present, but the meso-pterygium is shifted and does not articulate with the pectoral girdle.
From Project Gutenberg
The males in Elasmobranchii and Holocephali have the distal end of the meta-pterygium prolonged into a clasper.
From Project Gutenberg
Advertisement
Advertisement
Advertisement
Advertisement
Browse