(en'dō-son-og'ră-fē), Ultrasonography performed using an ultrasound transducer mounted on or passed through a fiberoptic endoscope.
endosonography
[″ + L. sonus, sound, + Gr. gramma, something written] Endoscopic ultrasonography, i.e., the imaging of an internal body part by attaching an ultrasonographic transducer to an endoscope or laparoscope.