Which of the following specimen shows blue white colour in UV rays?
Correct Answer: Semen
Description: After a month seminal stains becomes yellow to brown. When examined under filtered ultraviolet light, they show a fluorescence of a bluish-white colour, which is not specific as other albuminous material such as nasal, leucorrhoeal discharges and detergents also fluoresce. Ref: The Essentials of Forensic Medicine and Toxicology by K S Reddy, 27th edition, Page 369
Category:
Forensic Medicine
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