Record of electrical activity in the retina made with external electrodes.

Dictionary of molecular biology. 2004.

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  • electroretinogram — noun Date: 1936 a graphic record of electrical activity of the retina used especially in the diagnosis of retinal conditions …   New Collegiate Dictionary

  • electroretinogram — /i lek troh ret n euh gram /, n. Ophthalm. the graphic record obtained by electroretinography. Abbr.: ERG [1935 40; ELECTRO + RETINO + GRAM1] * * * …   Universalium

  • electroretinogram — noun The chart or graph produced by electroretinography …   Wiktionary

  • electroretinogram — A record of the retinal action currents produced in the retina by an adequate light stimulus. [electro + retina + G. gramma, something written] * * * elec·tro·ret·i·no·gram ret ən ə .gram n a graphic record of electrical activity of the retina… …   Medical dictionary

  • electroretinogram — elec·tro·ret·i·no·gram …   English syllables

  • electroretinogram — e•lec•tro•ret•i•no•gram [[t]ɪˌlɛk troʊˈrɛt n əˌgræm[/t]] n. oph the graphic record obtained by an electroretinograph • Etymology: 1935–40 …   From formal English to slang

  • electroretinogram — noun a graphical recording of the electrical activity of the retina that results when light is flashed into the eye • Hypernyms: ↑graph, ↑graphical record …   Useful english dictionary

  • ERG — electroretinogram. * * * ▪ desert feature also called  Sand Sea,         in a desert region, area of large accumulation of sand, generally in the bottom of a huge basin in which a former river piled up alluvium. Ergs are areas of actively… …   Universalium

  • eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

  • ERG — stands for electroretinography, a test in which the electrical potentials generated by the retina of the eye are measured when it is stimulated by light. In an ERG, an electrode is placed on the cornea at the front of the eye. The electrode… …   Medical dictionary

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