noun. undefined

noun. The use of ultrasound as a diagnostic aid.

noun. using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs

"Abnormalities in the blood circulation within organs such as the heart, liver and kidneys can be revealed with the use of contrast echography."

imaging  prenatal diagnosis  tomography  

a-scan ultrasonography  b-scan ultrasonography  

astrophotography  autobiography  bibliography  biography  choreography  

ethnography