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electroretinogram

[ih-lek-troh-ret-n-uh-gram]
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noun Ophthalmology.
  1. the graphic record obtained by electroretinography. Abbreviation: ERG
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Origin of electroretinogram

First recorded in 1935–40; electro- + retin(a) + -o- + -gram1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
electroretinogram in Medicine

electroretinogram

(ĭ-lĕk′trō-rĕt′n-ə-grăm′)
n.
  1. A graphic record of the electrical activity of the retina.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.