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Definition of Pterygium
1. Noun. Either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula.
Generic synonyms: Conjunctiva
Definition of Pterygium
1. n. A superficial growth of vascular tissue radiating in a fanlike manner from the cornea over the surface of the eye.
Definition of Pterygium
1. Noun. (medicine) An abnormal mass of tissue in the corner of the eye that obstructs vision ¹
¹ Source: wiktionary.com
Definition of Pterygium
1. a fleshy growth over the cornea [n -GIA or -GIUMS]