ultrasonography
noun [ U ] medical specialized uk/ˌʌl.trə.səʊˈnɒɡ.rə.fi/ us/ˌʌl.trə.səˈnɑːɡ.rə.fi/
超声波检查法，超声波扫描术
a method of producing images that uses sound waves to view structures inside the body
The diagnosis was based on ultrasonography. 这一诊断是基于超声波检查法的结果。
renal ultrasonography 肾超声检查法