An illumination in which the rays of light are directed downward, almost perpendicularly onto the upper surface of the object, which reflects the rays upward into the optical system. ... Synonym: erect illumination, vertical illumination. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973
Type: Term Definitions: 1. an illumination in which the rays of light are directed downward, almost perpendicularly onto the upper surface of the object, which reflects the rays upward into the optical system. Synonyms: erect illumination, vertical illumination
Found on
http://www.medilexicon.com/medicaldictionary.php?t=43526
No exact match found.
