arcus corneae


arcus corneae
a white or gray opaque ring in the corneal margin, present at birth, or appearing later in life, and becoming quite frequent in those over 50; it results from cholesterol deposits in or hyalinosis of the corneal stroma and may be associated with ocular defects or with familial hyperlipidemia. Called also a. juvenilis, a. lipoides corneae, and a. senilis.

Arcus corneae.


Medical dictionary. 2011.

Look at other dictionaries:

  • Arcus senilis — Classification and external resources Four representative slides of corneal arcus arcus deposits tend to start at 6 and 12 o clock and fill in until becoming completely circumferential. There is a thin, clear section separating the arcus from the …   Wikipedia

  • Arcus senilis — Als Arcus senilis (corneae) (auch Arcus lipoides corneae, Greisenbogen oder Gerontoxon) wird ein durch Lipideinlagerung bedingter schmaler, vom Hornhautrand (Limbus) abgesetzter Trübungsring der bradytrophen Cornea des Auges bezeichnet. Er ist… …   Deutsch Wikipedia

  • arcus — SYN: arch. [L. a bow] a. adiposus SYN: a. senilis. a. alveolaris mandibulae [TA] SYN: alveolar arch of mandible. a. alveolaris maxillae [TA] SYN: alveolar arch of maxilla. a. anterior atlantis [TA] SYN: anterior arch of atlas. a. aortae SYN …   Medical dictionary

  • Arcus — Ạr|cus, Arkus, der; , […ku:s] [lat. arcus] (Math.): Kreisbogen, Bogenmaß eines Winkels (Zeichen: arc). * * * Ạrcus   [lateinisch »Bogen«] der, / ,    1) Anatomie und Medizin: bogenförmiger Teil eines Organs: Arcus alveolaris, Alveolarbogen, der …   Universal-Lexikon

  • arcus lipoides corneae — a. corneae …   Medical dictionary

  • Arcus senilis — A cloudy opaque arc or circle around the edge of the eye, often seen in the eye of the elderly. * * * arcus se·nil·is sə nil əs n a whitish ring shaped or bow shaped deposit in the cornea that frequently occurs in old age * * * a greyish line in… …   Medical dictionary

  • arcus juvenilis — 1. a. corneae. 2. Axenfeld anomaly …   Medical dictionary

  • anterior embryotoxon — arcus corneae …   Medical dictionary

  • Ю́ношеская дуга́ — см. Arcus (corneae) juvenilis (Arcus juvenilis) …   Медицинская энциклопедия

  • Gerontóxon — (греч. gerōn старик + toxon лук, дуга) см. Arcus (corneae) senilis (Arcus senilis) …   Медицинская энциклопедия


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