Pterygium — refers to any winglike triangular membrane occurring in the neck, eyes, knees, elbows, ankles or digits.cite journal |author=Parikh SN, Crawford AH, Do TT, Roy DR |title=Popliteal pterygium syndrome: implications for orthopaedic management… … Wikipedia
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. [1913 Webster] … The Collaborative International Dictionary of English
Pterygĭum — (v. gr.), 1) so v.w. Flügelfell; 2) so v.w. Nagelgeschwür; 3) Hautauswuchs aus den Nägeln der Finger u. Zehen … Pierer's Universal-Lexikon
Pterygĭum — (griech. lat.), das Augenfell (s. d.) … Meyers Großes Konversations-Lexikon
Pterygium — Pterygĭum (grch.), s.v.w. Flügelfell (s.d.) … Kleines Konversations-Lexikon
pterygium — [tə rij′ē əm] n. pl. pterygiums or pterygia [tə rij′ēə] [ModL < Gr pterygion, dim. of pteryx, wing, akin to pteron, FEATHER] an abnormal, triangular mass of mucous membrane growing over the human cornea from the inner corner of the eye… … English World dictionary
Pterygium — A winglike triangular membrane. Although a pterygium can be anywhere, including behind the knee, it commonly refers to a winglet of the conjunctiva. This pterygium may extend across the white of the eye toward the inner corner of the eye. It is… … Medical dictionary
Pterygium — Pte|ry|gi|um 〈n.; s, gia〉 = Flügelfell [<grch. pteron „Flügel“] * * * Pterygium [zu griechisch ptéryx, ptérygos »Feder«, »Flügel«] das, s/...gia, 1) Medizin: das Flügelfell. 2) Zoologie: Bezeichnung für flächige Strukturen bei Tieren,… … Universal-Lexikon
Pterygium — Pte|ry|gi|um das; s, ...ia <über gleichbed. (n)lat. pterygium aus gr. pterýgion, eigtl. »kleiner Flügel«, Verkleinerungsform von ptéryx, Gen. ptérygos »Feder; Flügel«>: 1. dreieckige Bindehautwucherung, die sich über die Hornhaut schiebt… … Das große Fremdwörterbuch
Pterygium unguis — (also known as Dorsal pterygium [1]:660) forms as a result of scarring between the proximal nailfold and matrix, with the classic example being lichen planus, though it has been reported to occur as a result of sarcoidosis and Hansen s… … Wikipedia
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