Disease or Syndrome
pterygium
[ tuh-rij-ee-uhm ]
Etymology:
Greek diminutive of pteryx = a wing
Definitions related to pterygium:
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Pterygia are 'winglike' triangular membranes occurring in the neck, eyes, knees, elbows, ankles or digits.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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A pterygium is an elevated, superficial, external ocular mass that usually forms over the perilimbal conjunctiva and extends onto the corneal surface. Pterygia can vary from small, atrophic quiescent lesions to large, aggressive, rapidly growing fibrovascular lesions that can distort the corneal topography, and, in advanced cases, they...WebMD, 2019
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A pterygium (from the Greek pterygion , meaning wing) is a triangular-shaped fibrovascular overgrowth onto the corneal surface, continuous at its base with the conjunctiva. It occurs in the interpalpebral region usually from the nasal side and is usually bilateral. Symptoms include impaired ocular cosmesis, ocular irritation (caused by...Athenahealth, Inc., 2019
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Pterygium, abnormal wing-shaped fold of the conjunctiva (the mucous membrane lining the eyelids and covering most of the front of the eyeball) that invades the surface of the cornea. Often preceded or accompanied by a pinguecula (yellowish growth in the conjunctiva), pterygia arise from the inner...Encyclopedia Britannica, Inc., 2020
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