1. 
   sonolucent
   In ultrasonography, containing few or no echoes; a misnomer for transonic or anechoic. ... See: anechoic. ... Origin: L. Sonus, sound + L. Luceo, to shine ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?sonolucent
   
   
2. 
   sonolucent
   (son″o-loo´sәnt) in ultrasonography, permitting passage of ultrasound waves without reflecting them back to their source (without giving off echoes).
   Found op http://www.encyclo.co.uk/local/21001
   
   
3. 
   sonolucent
   Type: Term Pronunciation: son′ō-lu′sĕnt Definitions: 1. In ultrasonography, containing few or no echoes; a misnomer for transonic or anechoic. See: anechoic
   Found op http://www.medilexicon.com/medicaldictionary.php?t=82922
   
   

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