pterygium

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pte·ryg·i·um

 (tə-rĭj′ē-əm)
n. pl. pte·ryg·i·ums or pte·ryg·i·a (-ē-ə)
An abnormal mass of tissue arising from the conjunctiva of the inner corner of the eye that obstructs vision by growing over the cornea.
[New Latin, from Greek pterugion, diminutive of pterux, pterug-, wing; see pterygoid.]
pte·ryg′i·al (-əl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

pterygium

(təˈrɪdʒɪəm)
n, pl -gia (-dʒɪə)
1. (Pathology) pathol an abnormal tissue growth over the corner of the eye
2. (Medicine) pathol an abnormal growth of the cuticle over the nail plate
3. (Medicine) pathol a web of skin found on the neck or between digits
4. (Anatomy) anatomy obsolete any of various wing-like structures
5. (Zoology) entomol obsolete (in some lepidopterans) a lobe at the base of the hind wing
6. (Anatomy) anatomy a vertebrate fin
7. botany obsolete a petal in the shape of a wing
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pte•ryg•i•um

(təˈrɪdʒ i əm)

n., pl. -ryg•i•ums, -ryg•i•a (-ˈrɪdʒ i ə)
an abnormal triangular mass of thickened conjunctiva extending over the cornea and interfering with vision.
[1650–60; < New Latin < Greek pterýgion little wing or fin =pteryg-, s. of ptéryx wing, fin]
pte•ryg′i•al, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pterygium - either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the corneapterygium - 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
conjunctiva - a transparent lubricating mucous membrane that covers the eyeball and the under surface of the eyelid
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

pte·ryg·i·um

n. pterigión, membrana de tejido subconjuntivo que al extenderse de la conjuntiva hasta la córnea obstruye la visión.
English-Spanish Medical Dictionary © Farlex 2012

pterygium

n pterigión m, carnosidad f en el ojo
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
The pterygia recurrence rates of the two groups at 1-year follow-up were (i) SCC group: 66.7% (20 eyes) and (ii) RCF group: 20.7% (6 eyes).
Rotational conjunctival flap surgery reduces recurrence of pterygium
Studies have shown that light rays entering the eye from the side are focused and intensified at the nasal limbus, where pterygia are most common, and the nasal lens cortex, the most likely site for cortical cataracts (1,2).
UV protection and contact lenses
Since pterygia are composed of proliferating fibrovascular tissue, it is clear that neovascularization is involved in its development and progression.
Efficacy of Subconjunctival Bevacizumab Injections before and after Surgical Excision in Preventing Pterygium Recurrence
The characteristic changes are conjunctival epithelial in growth, vascularization and inflammation as seen in pterygia. (9)
The efficacy of fibrin glue vs sutures for attaching conjunctival autografts after pterygium excision: a randomized clinical trial
Comparison of amniotic membrane graft alone or combined with intraoperative mitomycin C to prevent recurrence after excision of recurrent pterygia. Cornea.
Limbal conjunctival autograft technique for recurrent pterygium/ Nuks pterjiyumda limbal konjonktival otogreft Teknigi
Non-HIV related ocular conditions such as nonneurological blepharoptosis, pingueculae, pterygia, conjunctivitis, cataract, and glaucoma suspects were also found in the study population.
Retinal Microvasculopathy Is Common in HIV/AIDS Patients: A Cross-Sectional Study at the Cape Coast Teaching Hospital, Ghana
Conjunctival pterygia. Mechanism of corneal topographic changes.
Effect of pterygium excision on pterygium induced refractive changes
Conjunctival pterygia: mechanism of corneal topographic changes.
The Effects of Job on the Development of pterygium/ Pterjium olusmasinda meslegin etkileri
Since the days of Susruta, the world's first ophthalmic surgeon who recognized the pterygia, disturbing both the patient because of their unsightly appearance and the surgeon also by their tendency to recur.
Recurrences of pterygium following conjuctival auto transplant in diabetic patient of tripura: a retrospective study
(7) Dysregulated expression of matrix metalloproteinases (MMPs) and their inhibitors (TIMPs) have been implicated in many disease processes accompanied by abnormal matrix production, such as proliferative vitreoretinopathy, (8) secondary cataract formation, (9) the pathogenesis of pterygia (10,11) and conjunctivochalasis (CCh).
Evaluation of the ocular surface parameters in pseudoexfoliation syndrome and conjunctivochalasis/Psodoeksfoliasyon sendromu ve konjonktivasalazisli olgularda okuler yuzey parametrelerinin degerlendirilmesi
Conjunctival transplantation is, however, useful in other conditions, for example, to reconstruct the conjunctival surface in cases of symblepharon and to treat primary and recurrent pterygia.
A clinical study of limbal stem cell transplantation in various ocular surface disorders
The rare complications of symblepharon and diplopia may be associated with the excision of multi recurrent pterygia [8].
Comparison of wide conjunctival flap and conjunctival autografting techniques in pterygium surgery

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