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.

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

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.
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
Translations

pte·ryg·i·um

n. pterigión, membrana de tejido subconjuntivo que al extenderse de la conjuntiva hasta la córnea obstruye la visión.

pterygium

n pterigión m, carnosidad f en el ojo
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References in periodicals archive ?
Pterygium inversum is usually seen in systemic scleroderma and with systemic lupus erythematosus.
has published study findings in Cornea 2017 that show the use of cryopreserved amniotic membrane reduces recurrence rates after pterygium surgery, the company said.
Eliminates glare off water, gives a wider scope of vision, help see across water, improves clarity when fishing in sandy lakes or stream beds, protects from many sunburn ocular diseases like cataract, Pterygium, Keratitis, macular degeneration etc.
Its slogans are 'Walking Free,' where they offer prosthetics or artificial legs and feet to those who cannot walk; 'Seeing Free,' where they treat cataract, pterygium and glaucoma cases; 'Smiling Free,' where they provide cleft surgery in cooperation with Operation Smile, and 'Hearing Free,' which will be launched in October to address hearing disabilities.
Previously harvested and frozen amniotic graft was applied in different types of ocular surface disorders, such as corneal ulcers, pterygium, keratomalacia, Steven-Johnson syndrome, etc.
Over 12,000 indigentFilipino natives were provided free medical treatment, includingthousands of dollars in medication, check-ups, eye-exams, eyeglasses,surgical procedures for cataracts, glaucoma, pterygium, and cystremovals.
Over 12,000 indigent Filipino natives were provided free medical treatment, including thousands of dollars in medication, check-ups, eye-exams, eyeglasses, surgical procedures for cataracts, glaucoma, pterygium, and cystremovals.
Pterygium is an elastotic degeneration of the subconjunctival tissue, which proliferates as vascularised granulation tissue to encroach on to the cornea destroying the superficial layers of the stroma and Bowman's membrane.
They include splitting, longitudinal ridging, nail dystrophy, and pterygium unguis formation (2-10).
Of these, there was systemic drug use in 5, diabetes mellitus in two and five, pterygium in 3 and meibomian gland dysfunction in 1).
Mitomycin-C has been used for strabismus surgery for the prevention of postoperative adhesion and recurrence of pterygium (9).
It also provides therapeutic services for thyroid conditions such as cancer, thyrotoxicosis and eye diseases, like pterygium and cancer.