pterygium
pte·ry·gium
noun
1.
a thickened triangular layer of conjunctiva extending from the nasal edge of the eye to the cornea; pterygia arise from irritation of the pinguecula
Origin
From Ancient Greek πτερύγιον (pterúgion), diminutive of πτέρυξ (ptérux, “wing”). By surface analysis, pteryg- + -ium.
Phrases
- popliteal pterygium syndrome
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.