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pterygium |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pterygium \Pte*ryg"i*um\, n.; pl E. {Pterygiums}, L. {Pterygia}. [NL., fr Gr ?, properly a dim, akin to ? a feather.] (Med.) A superficial growth of vascular tissue radiating in a fanlike manner from the cornea over the surface of the eye. From WordNet r 1.6 [wn]: pterygium n : a thickened triangular layer of conjunctiva extending from the nasal edge of the eye to the cornea; pterygia arise from irritation of the pinguecula
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